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Physics · Oct / Nov 2021 · Paper 12 · Question 32

5054Circuit diagrams and circuit components

Which circuit is connected to measure the current in the fixed resistor and the potential difference (p.d.) across the same resistor? [diagrams A, B, C, D showing circuits with ammeter and voltmeter]

  1. ACircuit A: ammeter in series with fixed resistor, voltmeter in parallel with fixed resistor
  2. BCircuit B: ammeter in series with fixed resistor, voltmeter in parallel with variable resistor
  3. CCircuit C: ammeter in series with fixed resistor, voltmeter in parallel with variable resistor
  4. DCircuit D: ammeter in parallel with fixed resistor, voltmeter in parallel with fixed resistor

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Correct answer: A. Circuit A: ammeter in series with fixed resistor, voltmeter in parallel with fixed resistor

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