The newest 17 of 15 written questions. Open one to see it on the real paper.
As the car travels along the road, electrostatic charges build up on the car due to friction. State the name of the negatively charged particles that are transferred during the charging of a solid.
See it on the paper →The current in the cell is 0.25 A. Calculate the charge which flows through the cell in 5.0 minutes. charge = C
See it on the paper →The arrows on Fig. 6.2 show the direction of the current.
See it on the paper →The solenoid uses a current of 50 A. Calculate the amount of charge which flows through the solenoid in 30 s. State the unit for your answer. charge = unit
See it on the paper →The student shines a bright desk lamp on the LDR. State and explain the effect this has on the ammeter reading. effect explanation
See it on the paper →The student calculates the resistance of the LDR using the current reading from the ammeter. State what other measurement is required for this calculation.
See it on the paper →A scientist estimates that the lightning strike transferred 6000 C of charge in 0.20 s. Calculate the average current in the lightning strike. current = A
See it on the paper →Fig. 2.2 shows negative charge at the base of the cloud. State the name of the particles that provide this negative charge.
See it on the paper →During a journey, a car becomes positively charged with static electricity. State the name of the charged particles that have been removed from the car.
See it on the paper →Define the term electromotive force (e.m.f.).
See it on the paper →What is a possible reason for this?
See it on the paper →Calculate the quantity of charge passing through one of the lamps in Fig. 9.3 when it is switched on for 30 seconds. Give the correct unit for your answer. charge = unit =
See it on the paper →How much electric charge passes through the heater in one minute?
See it on the paper →Complete the sentence to describe current in metals. Current in metals is due to the flow of
See it on the paper →A thermocouple is used to measure the temperature inside the oven. Describe the structure of a thermocouple.
See it on the paper →Calculate the resistance of the hotplate. Show your working. resistance = Ω
See it on the paper →When used the leaf-blower takes a current of 3.0 A. Calculate the charge that flows through the leaf-blower when it is used for 180 seconds. Show your working. charge = C
See it on the paper →Comprehensive responses • Some candidates identified electrons as the negatively charged particles. Limited responses • There were no common errors.
— Examiner report, February/March 2026, 0654/32 Q12(c) (Cambridge)
Some candidates had difficulty in calculating charge correctly, several giving a value of 150 C. Some candidates struggled with identifying the correct units, with V, A/S and J seen.
— Examiner report, February/March 2024, 0654/42 Q12(b)(ii) (Cambridge)
There seemed to a lot of confusion here with many thinking the reading decreased. Of those who scored the first mark only a small number scored for the explanation. A common misconception was that more light made the current travel faster.
— Examiner report, October/November 2023, 0654/43 Q12(a)(ii) (Cambridge)
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