Energy and Voltage in Circuits
2 marks · EasyA current of 2 A flows through a circuit for 10 seconds. Calculate the total charge that passes through the circuit.
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20 C (±0.2)
Common mistakes: Forgetting units; Multiplying instead of dividing
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Marking points
M1 · 1 mark · Uses the correct equation Q = I × t or substitutes correctly.
A1 · 1 mark · Correct answer with unit: 20 C.
Worked solution