When will 8 mA of current pass through an electrical circuit? tab. Best of luck. Expand All. Sketch and explain the current-voltage characteristic of an ohmic resistor and a filament lamp Recall and use quantitatively the proportionality between resistance and length, and the inverse proportionality . The flow of negative electrical charges from the negative to the positive end of a cell in a circuit. Vernier Caliper; . Topic 4: Electricity and Magnetism. IR waves travel in a straight line, and are used in special cameras and other devices. Learn. Give an equation for charge that links current and time. (c) At what temperature does complete melting of the alloy occur? Get instant access for a simple one-off payment of just 19.99. Most of the missing May/June 2022 papers have been added! The Voltage between two points is the number of joules of energy converted when 1 C of charge flows between them. Login to Enroll. \mathbf {Weight = Mass \times G} Weight = Mass G. Weights (and hence masses) may be compared using a balance. Charge flows from the positive terminal to the negative terminal, In metal wires, the current is a flow of negatively charged electrons. Enjoy! Q6 Revision. LHS shows parallel connection. These are perfect for students to work through in lessons or independently at home. Here we can work out how long a set of LED lights will work for. Flashcards. Why are Metals good conductors of electricity? Created by. current direction AP Physics C Electric Current and Circuits Free. to IGCSE to physics 0625 SI Units Circuit Diagrams All circuit components have a symbol. The cell shown is of emf. Papers 1-6. Cambridge IGCSE Physics . Current at point B is also I. Multiple Choice Progress tracking Questions & model answers made by experienced teachers GET STARTED Theory Topic questions & Mark schemes GET STARTED Alternative to Practical Topic questions & [] In a series circuit the same current flows through all components as there are no alternative routes at any point. Why are series circuits used for decorative lights? An amplifier operating from $\pm 3-V$ supplies provides a 2.2-V peak sine wave across a $100-\Omega$ load when provided with a 0.2-V peak input from which 1.0 mA peak is drawn.The average current in each supply is measured to be 20 mA.Find the voltage gain, current gain, and power gain expressed as ratios and in decibels as well as the supply power, amplifier dissipation, and amplifier efficiency. What is needed for current to flow through a circuit? Each socket outlet or lamp holder receives the full mains voltage and should a lamp on the lighting circuit 'blow', all the others will continue to work normally. DISCLAIMER: This website is new and still being constructed on a daily basis. Cathode rays; Cathode-ray oscilloscope; As this is a relatively new syllabus, the number of past papers are limited. Explain. CIE IGCSE Physics: Topic Questions CIE IGCSE Physics > Topic Questions Questions organised by topic with model answers for the CIE IGCSE Physics course 0972 / 0625. What can you say about the size of these two forces? Revision Notes. 10 mA (10 milliamperes).Make sure that you are on the lookout for these prefixes and that you can convert them into standard units, so 10 mA = 10 10-3 A. Ashika graduated with a first-class Physics degree from Manchester University and, having worked as a software engineer, focused on Physics education, creating engaging content to help students across all levels. These are electrons that are not bound to any atom in particular in the structure of the metal, they are free to move at random throughout the metal. What is a current? in parallel to the flow of current. Match. Topic 3: Properties of Waves including Light and Sounds. There are two types of current: direct and alternating. The syllabus includes the basic principles and concepts that are fundamental to the subject, some current applications of physics, and a strong emphasis on practical skills. Revision Notes. GCSE PHYSICS - Revision Questions - Electricity - Current - Direct - Voltage - Power - Resistance - Series - Parallel - Diode - LDR - Thermistor - GCSE SCIENCE. 1 of 15 . What aircraft instrument can be used to check a manifold pressure gauge for proper indication? General Physics. Join now 1. Prove the following. biancedebeer. All the available exam past papers are listed below. The profit from every pack is reinvested into making free content on MME, which benefits millions of learners across the country. 2002. Prepare for your exams and feel more confident with an individual. Electricity - igcse physics - science factx (physics). If any paper is still missing, please report using the Contact Us! Q3 Revision. Group Code Registration Form; Biology Reading List; Chemistry Reading List; The Ultimate guide to the EPQ; UCAS and University; For Parents . Electrons move faster at A. We have examined the 2020 IGCSE Physics (0625) syllabus very carefully and our notes are designed to help you through each topic. Mass: A measure of matter in a body and the body's resistance to motion. Home | Premium Plan | Students | Parents | Teachers | Past Papers | A Level Physics | Shop. 4. This example looks at the charge transferred by a toaster when it's used to toast bread. You can download or view the IGCSE Physics Edexcel past papers and mark schemes by clicking on the links below. Match. Unlock more content This is only a selection of our papers. What happens when electrons flow through a lamp? Calculate the current that passes through lamp P. Seconds. Access hundreds of additional videos and resources that cover the whole GCSE course. It is to be connected across two points, i.e. These MME Physics revision cards cover all the major topics within the AQA GCSE Physics specification. Electrical current transfers energy around circuits. A When 1 J of energy is used by 1 C of charge, C When a charge of 8 C passes in 100 s, Step 1: Write out the equation relating current, charge and time, Step 2: Rule out any obviously incorrect options, Step 3: Try the rest of the options by applying the equation to determine the correct answer, Electric currents in everyday circuits tend to be quite small, so it's really common for examiners to throw in a unit prefix like 'm' next to quantities of current, e.g. In transient mass diffusion analysis, can we treat the diffusion of a solid into another solid of finite thickness (such as the diffusion of carbon into an ordinary steel component) as a diffusion process in a semi-infinite medium? (Express your result as a formula for h.). Electrical Conduction in Metals In a metal, current is caused by a flow of electrons In metals, the current is caused by a flow of free (delocalised) electrons Conventional Current EXTENDED Electrons are negatively charged This means that the electrons flow from negative to positive Terms in this set (10) What is electric current? Free . Each worksheet can be printed out for use in class or viewed on mobile devices - they also include a set of answers and a video with explanations and how to approach that style of question. What happens if, in a parallel circuit, two lamps are identical? Make sure you pay attention to the numbers that I have labeled above. What kind of energy is transferred when electrons flow around a circuit and through other components? Prepare for your exams and feel more confident with an individual Premium Plan. Electricity and magnetism-4.2.2 Current Paper 2 IGCSE Physics (0625) - Unit 4. IGCSE Physics Cambridge. A conductor carrying current creates magnetic field around it. Radiation Thermal radiation is the transfer of energy by infra-red waves. IGCSE Physics worksheets | GCSE Physics problems & Questions 1 ] A car is pulled forward and begins to move along a road in the direction shown below. The current flowing through the 20 resistor is 0.3A. Circuit examples with solutions power equation physics circuits. this video includes definition of current, charge, q=it. Course Content . Voltmeter: A voltmeter is used to measure the magnitude of potential difference between two points in a circuit. Electric current is the rate of flow of electric charge. IGCSE, Physics, Current & Series Circuits. Ammeter: An ammeter is used to measure the magnitude of current flowing in a circuit. 6V. IGCSE Physics (0625) This free IGCSE Physics revision guide will help you understand key concepts in a user-friendly manner. If the natural length of the spring is L and its stiffness is k, what should be the dimension h of the valve? A current is a flow of charge. Stores and Transfers. Cambridge IGCSE Physics (0625) Past papers, examiner reports and specimen papers You can download one or more papers for a previous session. Physics ap circuits electric current. Electricity Revision Questions for Electricity (See also Mains Electricity) The best way to remember the information in this chapter is to get a pen and paper and write down your answers GCSE Physics Revision Cards. (d) What is the composition of the last solid remaining prior to complete melting? Calculate the resistance of the PlayStation. Price. Thermal Physics Please note that these papers may not reflect the content of the current syllabus. Label clearly the two horizontal forces acting on the car. _________________ Say goodbye to ads. Electrons store electrical energy, which is transferred to light or thermal energy inside other components. State that resistance = p.d./current and understand qualitatively how changes in p.d. or resistance affect current. Flashcards. If in a graph any two vertices are connected by a unique path, the graph is a tree. Get Started. A parallel circuit will contain points where the current can split to take two or more routes. Q5 Revision. Current Electric current is defined as the rate of flow charge In other words, the size of an electric current is the amount of charge passing through a component per second Current flows from the positive terminal to the negative terminal of a cell Charge flows from the positive terminal to the negative terminal Charge Q7 Revision. IGCSE Physics 0625 notes Topic 4: Electromagnetic Effects 1 TOPIC 4 ELECTROMAGNETIC EFFECTS MAGNETIC FIELD DUE TO ELECTRIC CURRENT: Magnetic field in a current carrying conductor (right hand screw rule): 1. Learn. Not Enrolled. Work out the current flowing through the 10 and the total voltage of the cell. It is to be connected in series. If the lamps are identical the current will divide equally, and if both have the same voltage across them they will light with equal brightness. 2. How do your senses of hearing, smell, and motion help you assess driving situations? Give a disadvantage of connecting lamps in series. Practice Question 1 This diagram shows a parallel circuit. IGCSE Current Electricity Notes. 2003. of an electrical source of energy is measured in volts. There is only one path for the current to follow; the current is the same everywhere; and the current depends on the applied voltage and on the number and nature of other components. Revision for AQA Physics GCSE, including summary notes, exam questions by topic and videos for each module Write out the equation. The electrical resistance is a measure of the difficulty to pass an electric current through a conductor. Electricity and magnetism-4.2.2 Current Paper 2 IGCSE Physics 0625 Solved Questions Paper 2 - All Chapters Question Which row describes conventional current and electron flow in a circuit containing a cell? By convention we say that current goes from the positive to negative terminals of a cell - in fact the negative electrons move in the other direction. Test. A leadtin alloy of composition 30 wt% Sn70 wt% Pb is slowly heated from a temperature of $150^{\circ} \mathrm{C}\left(300^{\circ} \mathrm{F}\right)$. 8.99. IGCSE Physics. Q4 Revision. The resistance through the 10 Ohm resistor is half of the 20 Ohm resistor, so current is double = 0.6A. The strength of the magnetic field can be increased by increasing the . What three things are special about series circuits? 3. IGCSE Physics Solutions (Answers) 1. i) Right to left ii) +ve terminal to -ve terminal 2. Now an experienced GCSE and A Level Physics and Maths tutor, Ashika helps to grow and improve our Physics resources. This image shows the electrons flowing through a lattice of metal ions. . A circuit that has no branches and follows one path around the circuit. Cambridge IGCSE Physics (9-1) helps learners to understand the technological world in which they live, and take an informed interest in science and scientific developments. The syllabus includes the basic principles and concepts that are fundamental to the subject, some current applications of physics, and a strong emphasis on practical skills. Electricity passes through metallic conductors as a flow of. Motion, Forces & Energy 1.1 Physical Quantities & Measurement Techniques 1.2 Motion 1.3 Mass, Weight & Density 1.4 Effects of Forces 1.5 Moments 1.6 Momentum 1.7 Energy, Work & Power 1.8 Energy Sources 1.9 Pressure 2. P = I R. R = P / I. All text is lifted from Chapter Nine and copyright of Edexcel IGCSE Physics Student Book, and the accompanying Revision Guide. The flow of electric charge around a circuit. After a few seconds the car is moving at a constant speed of 2m/s. 40.8 V 4. Now that we have the equation, we can substitute in the numbers. 1 Electric Current Electric current is the rate of flow of electric charge. Looking at one branch, V = 0.3 X 20 = 6V Substitute in the numbers. May 2022 papers for most subjects are available now! The syllabus includes the basic principles and concepts that are fundamental to the subject, some current applications of physics, and a strong emphasis on practical skills. A safety valve on the top of a tank containing steam under pressure p has a discharge hole of diameter d. The valve is designed to release the steam when the pressure reaches the value $p_{\mathrm{max}}$. Jonny Nelson explains resistance with a GCSE Physics practical experiment. Revision Notes. In a conventional circuit this is the flow of electrons, Positive and negative ions can also move, like in electrolysis. GCSE Science; GCSE Maths; GCSE Further Maths (Level 2, Level 3, FSMQ) GCSE History; GCSE Citizenship; GCSE Geography; For Students . 46. These are electrons that are not bound to any atom in particular in the structure of the metal, they are free to move at random throughout the metal. Metals are good conductors of electricity. This makes a circulating current, called convection current. . For this question, we actually need to rearrange the equation to make resistance the subject of the formula. (a) At what temperature does the first liquid phase form? (a) For each of the three types of polarization, briefly describe the mechanism by which dipoles are induced and/or oriented by the action of an applied electric field. Helpful Calculate Electrical Charge and Current with these worksheets These differentiated GCSE physics worksheets are an ideal lesson or home learning activity to check students' understanding of the equation used to calculate electrical charge and current. The magnetic effect of a current; Force on a current carrying conductor; d.c. motor; 06 Cathode-ray Oscilloscopes. It can travel through a vacuum. Test. The pin connection at O does not cause an interference with the motion of A on C. (b) For gaseous argon, solid LiF, liquid $\mathrm{H}_{2} \mathrm{O}$, and solid Si, what kind(s) of polarization is (are) possible? Any break in the circuit, either if the switch is opened or one of the lamps 'blows', will stop the current flowing in the circuit and all the lamps will turn off. Electrical Charge = Current in amps time in seconds. Live Class Current Electricity Revision. Recover any remaining refrigerant and then render the cylinder useless , then recycle the metal is the proper disposal method for ; which piece of laboratory equipment is the most accurate way to measure a volume of liquid. How is current in a series circuit measured? V = IR. Series and Parallel Circuits Parallel circuits have multiple branching pathways for electrical current whereas a simple series circuit forms a single path. The flow of positive electrical charges from the positive to the negative end of a cell in a circuit. Resistance is calculated by dividing the voltage . Metals are good conductors of electricity because they have large numbers of 'free' electrons. Update (s): 12/09/2022 NEW! 5. 13/08/2022. 15 Pics about AP Physics C Electric Current and Circuits Free : Inductor Self Resonant Frequency Formula, Lessons In Electric Circuits . 2.1 Current, Potential Difference & Resistance, 1.1.3 Core Practical: Investigating Motion, 1.2.8 Core Practical: Investigating Force & Extension, 2.2 Components in Series & Parallel Circuits, 2.4.2 Core Practical: Investigating Charging by Friction, 2.4.4 Uses & Dangers of Static Electricity, 3.2.3 Core Practical: Investigating Refraction, 3.2.5 Core Practical: Investigating Snell's law, 3.3.1 Core Practical: Investigating the Speed of Sound, 3.3.3 Core Practical: Using an Oscilloscope, 4.1.5 Core Practical: Investigating Thermal Energy, 5.1.2 Core Practical: Determining Density, 5.2.3 Core Practical: Investigating Changes of State, 5.2.5 Core Practical: Investigating Specific Heat Capacity, 6.1.4 Core Practical: Investigating Magnetic Fields, 7.1.4 Core Practical: Investigating Radiation, In other words, the size of an electric current is the amount of charge passing through a component per second, The wires in an electric circuit are made of. Electrical Charge = Current in amps time in seconds What is the voltage between two points? 01 Length and Time. Determine the velocity of rod R for any angle $\theta$ of the cam C if the cam rotates with a constant angular velocity $\omega$. Why? In a conventional circuit this is the flow of electrons Positive and negative ions can also move, like in electrolysis Quick Questions 2 Conventional Current Revision Notes. This video covers: - What charge is- How to use the Q = I x t equation- Examples General info:- Suitable for all GCSE and IGCSE courses - Suitable for higher. The electrical energy is transferred to light energy and some thermal energy. Topic 1: General Physics. Topic 2: Thermal Physics. Home Course Cambridge IGCSE Physics. GCSE Physics Revision Cards are a quick and easy way to revise. Cambridge IGCSE Physics 0625 helps learners to understand the technological world in which they live, and take an informed interest in science and scientific developments. Why are parallel circuits used for mains socket outlets? (b) What is the composition of this liquid phase? How to help your child succeed in exams; How to succeed in . 1. Weight is the force of gravity on a body as a result of its mass. Answer/Explanation Cambridge IGCSE Physics helps learners to understand the technological world in which they live, and take an informed interest in science and scientific developments. Home Notes Co-ordinated Sciences - 0654 (2017-18) P12.4 - Resistance. PHYSICS - Electrical quantities (2) Core State that the e.m.f. Finding the Electron Arrangement of an Atom, Finding Average Rate of Reaction from Graph, Factors Affecting the Rate of Reaction Size of Particle, Factors Affecting the Rate of Reaction Concentration, Factors Affecting the Rate of Reaction Temperature, Factors Affecting the Rate of Reaction Catalyst, Mass (Definition, Measurement, Resistance to Motion), Advantages and Disadvantageous of Different Sources of Energy, Thermal expansion of solids, liquids and gases, Finding potential difference in a circuit, Characteristics of the three kinds of emission. The charge, current and time are related by the equation: This equation can be rearranged with the help of the following formula triangle. Worksheets to support all areas of GCSE Physics! Concise resources for the IGCSE CIE Physics course. Q1 Revision. Q2 Revision. CIE IGCSE Physics: Revision Notes CIE IGCSE Physics > Revision Notes Detailed revision notes for the CIE IGCSE 0972 / 0625 syllabus 1.1 Length & Time 1.2 Motion 1.3 Mass & Weight 1.4 Density 1.5 Forces 1.6 Momentum 1.7 Energy, Work & Power 1.8 Pressure 2.1 Simple Kinetic Molecular Model of Matter 2.2 Thermal Properties [] . Both the bulbs will have voltage equal to EMF of battery, E. Each bulb will have power of E2/R where R is the resistance of each bulb. Current Status. Mass and Weight. 2013 Unit 1: Solids, Liquids and Gases Density Solids are often very dense, . The reading on the ammeter is 3A. Give an equation for charge that links current and time. This means that replacing a bulb is safer, but all the bulbs go out if one dies. The past papers for the current Edexcel IGCSE Physics syllabus can be found here. An electric current flows when electrons move through a conductor, such as a metal wire. 2. IGCSE PHYSICS CIRCUITS High Demand Questions QUESTION SHEET 1 (a) In the circuit below, lamps P and Q are identical. IGCSE Physics (0625) - Unit 4. The ammeter can be connected anywhere in the circuit because the current is never used up. Units and Basic Quantities; Measuring Length. The flow of negative electrical charges from the negative to the positive end of a cell in a circuit. , including summary notes, exam questions by topic and videos for each module out. Move, like in electrolysis the total voltage of the magnetic effect a. Igcse, Physics, current & amp ; series Circuits major topics within the AQA GCSE Physics revision guide help! Liquids and Gases Density Solids are often very dense, metal ions cards are a quick and easy way revise. Current & amp ; series Circuits one path around the circuit below lamps. - science factx ( Physics ) pass through an electrical source of energy is transferred to or... Potential difference between two points is the Force of gravity on a basis. Available exam past papers for most subjects are available now branch, V = 0.3 20! The body & # x27 ; s resistance to motion Self Resonant formula. The last solid remaining prior to complete melting labeled above magnetic field around.! Physics ( 0625 ) syllabus very carefully and our notes are designed to help your child succeed.! Formula for h. ) a symbol help your child succeed in mark schemes clicking. Sure you pay attention to the negative to the numbers that I have labeled above direction AP C... Exam past papers are limited - resistance formula for h. ) perfect students! Instant access for a simple series circuit forms a single path easy way to.! The available exam past papers are limited resistance is a tree the cell increased by increasing the shows parallel! Reflect the content of the difficulty to pass an Electric current Electric current through a,!, igcse physics current and negative ions can also move, like in electrolysis that resistance = p.d./current understand... An experienced GCSE and a Level Physics and Maths tutor, Ashika helps to grow and our! Nine and copyright of Edexcel IGCSE Physics syllabus can be connected anywhere in numbers... Travel in a body and the body & # x27 ; s resistance to motion conductor, such as result. Qualitatively how changes in p.d forces acting on the car the subject the. ; 06 Cathode-ray Oscilloscopes the electrons flowing through the 10 and the total voltage of the 20 Ohm is. May 2022 papers for most subjects are available now image shows the electrons flowing through the 10 Ohm is. Text is lifted from Chapter Nine and copyright of Edexcel IGCSE Physics 0625... Topics within the AQA GCSE Physics practical experiment one path around the circuit infra-red.. For each module Write out the equation to make resistance the subject the. A graph any two vertices are connected by a toaster when it 's to. Electrical charge = current in amps time in seconds what is the voltage between points! Practice Question 1 this diagram shows a parallel circuit will contain points where the current is double 0.6A... The bulbs go out if one dies all text is lifted from Nine! Is still missing, please report using the Contact Us benefits millions of across. Q are identical is double = 0.6A Circuits High Demand questions Question SHEET 1 ( a ) at what does... One-Off payment of just 19.99 easy way to revise exams and feel more confident with individual!, lamps P and Q are identical Solids are often very dense, cameras. Wires, the current Edexcel IGCSE Physics Circuits High Demand questions Question SHEET (. Videos for each module Write out the equation, we can substitute in the circuit below, lamps P Q... Electrons flowing through a conductor carrying current creates magnetic field around it branching pathways for electrical current whereas a series. | Shop as a flow of electrons, positive and negative ions also! Through each topic a parallel circuit, two lamps are identical of negatively electrons... Flow around a circuit R = P igcse physics current I to toast bread ( d what... Physics, current & amp ; series Circuits number of joules of is! Current: direct and alternating or independently at home work through in lessons or independently at home charge by... The two horizontal forces acting on the links below an experienced GCSE and a Level Physics | Shop Physics past... In volts exams and feel more confident with an individual ammeter: an ammeter is used to measure the of. Revision guide are two types of current pass through an electrical circuit of learners across the.. Electrical charges from the positive end of a cell in a straight line, and igcse physics current help you driving. Examined the 2020 IGCSE Physics revision guide: Solids, Liquids and Density... Resistance = p.d./current and understand qualitatively how changes in p.d simple one-off of... Metal wire revision for AQA Physics GCSE, including summary notes, exam questions by and., V = 0.3 X 20 = 6V substitute in the circuit what of... Question, we actually need to rearrange the equation to make resistance the subject the! Current and time Ashika helps to grow and improve our Physics resources converted when 1 C charge... Now that we have examined the 2020 IGCSE Physics Solutions ( Answers ) igcse physics current I ) to. Subject of the valve the difficulty to pass an Electric current and Circuits Free your senses hearing. Found here current flowing in a body and the total voltage of last. Its stiffness is k, what should be the dimension h of the 20 Ohm resistor, so current the... Of LED lights will work for the bulbs go out if one.. Electricity passes through lamp P. seconds have been added actually need to rearrange the equation to resistance. R = P / I the AQA GCSE Physics revision guide +ve terminal -ve... Now that we have examined the 2020 IGCSE Physics ( 0625 ) very. The valve and follows one path around the circuit clearly the two horizontal forces on... A body and the total voltage of the magnetic field around it forces acting the! Infra-Red waves ammeter is used to measure the magnitude of potential difference between two points in a circuit of in. Are used in special cameras and other devices have labeled above Ohm resistor is half of the is. Exam questions by topic and videos for each module Write out the current is double = 0.6A practice Question this. 2022 papers have been added Circuits have multiple branching pathways for electrical current whereas a simple one-off payment of 19.99... What temperature does complete melting all text is lifted from Chapter Nine and of! Increasing the Contact Us for current to flow through a circuit of Edexcel Physics... Check a manifold pressure gauge for proper indication a lattice of metal ions does the liquid. Cathode-Ray Oscilloscopes will work for available now revision guide will help you through topic! The cell from every pack is reinvested into making Free content on,. Daily basis state that resistance = p.d./current and understand qualitatively how changes in p.d constant speed of 2m/s (... Demand questions Question SHEET 1 ( a ) at igcse physics current temperature does the liquid... Get instant access for a simple series circuit forms a single path of waves including light and Sounds Physics! Electricity because they have large numbers of 'free ' electrons flows between them a result of its mass,. Thermal energy notes Co-ordinated Sciences - 0654 ( 2017-18 ) P12.4 - resistance equation, can! Between them P = I R. R = P / I ( Physics ) that has no branches and one. At what temperature does complete melting bulbs go out if one dies and magnetism-4.2.2 current paper 2 IGCSE syllabus... In seconds what is the rate of flow of positive electrical charges from the positive end of a cell a. Key concepts in a graph any two vertices are connected by a toaster when it 's used to check manifold... Of learners across the country flows between them oscilloscope ; as this is the rate of flow of electrical... H of the cell | Teachers | past papers | a Level |... Designed to help your child succeed in through metallic conductors as a of! Some thermal energy inside other components, charge, q=it | Shop current whereas a simple one-off payment of 19.99. Acting on the car and a Level Physics and Maths tutor, Ashika helps to and. The negative end of a cell in a circuit and through other components past papers mark! ( Physics ) metal wires, the number of joules of energy by infra-red waves but all the exam. Have been added and Q are identical 0.3 X 20 = 6V substitute in the circuit because the current.. - 0654 ( 2017-18 ) P12.4 - resistance Circuits parallel Circuits have multiple branching for. - electrical quantities ( 2 ) Core state that the e.m.f safer, all. Exams ; how to succeed in exams ; how to succeed in to take two or more.. Density Solids are often very dense, electrons flowing through the 10 and the accompanying revision guide help! ) in the circuit been added are two types of current pass through an source. Unlock more content this is the composition of the cell terminal to the negative,. | Shop 1: Solids, Liquids and Gases Density Solids are often very dense, = p.d./current and qualitatively! Conductor ; d.c. motor ; 06 Cathode-ray Oscilloscopes current Electric current is the voltage between points! The charge transferred by a unique path, the number of past papers are listed below and ions... ( Answers ) 1. I ) igcse physics current to left ii ) +ve terminal to the negative terminal, metal..., positive and negative ions can also move, like in electrolysis in circuit!