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IGCSE Edexcel Physics Electricity

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IGCSE Edexcel Physics Electricity 1. Define current and state its unit of measurement. - Current is measured in amps (A) and represents the flow of electric charge. 2. What unit is used to measure charge? - Charge is measured in Coulombs (C), representing the amount of electric charge. 3. Des...

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  • July 9, 2024
  • 9
  • 2023/2024
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IGCSE Edexcel Physics Electricity
1. Define current and state its unit of measurement.



- Current is measured in amps (A) and represents the flow of electric charge.




2. What unit is used to measure charge?



- Charge is measured in Coulombs (C), representing the amount of electric charge.




3. Describe the unit used to measure energy in electrical systems.



- Energy in electrical systems is measured in Joules (J).




4. Define resistance and state its unit.



- Resistance is measured in Ohms (Ω) and represents the opposition to the flow of electric current.




5. What unit is used to measure time in electrical calculations?

, - Time in electrical calculations is measured in seconds (s).




6. Define voltage and state its unit of measurement.



- Voltage is measured in Volts (V), representing the electric potential difference between two points.




7. Explain the concept of power and state its unit.



- Power is the rate at which energy is transferred or converted and is measured in watts (W).




8. What are the rules governing current in a series circuit?



- In a series circuit, the current is the same everywhere. Ammeter readings are consistent throughout.




9. What are the rules regarding voltage in a series circuit?



- Voltage is shared among components in a series circuit that are connected in sequence.

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