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4.3 Electric circuits

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Question 101

A student is setting up a circuit to determine the resistance of an unknown resistor RRR. To do this, they need to measure the potential difference across the resistor and the current through it. Which of the following options correctly describes how the voltmeter and the ammeter must be connected relative to the resistor RRR?

A

Voltmeter in parallel with RRR; Ammeter in series with RRR

B

Voltmeter in series with RRR; Ammeter in parallel with RRR

C

Voltmeter in parallel with RRR; Ammeter in parallel with RRR

D

Voltmeter in series with RRR; Ammeter in series with RRR

Markscheme

4.3 Electric circuits Questions

  1. IGCSE
  2. /Physics
  3. /4.3 Electric circuits

136 exam-style questions on CIE IGCSE Physics 4.3 Electric circuits, covering 4.3.1a Circuit diagrams and circuit components, 4.3.2a Series circuits, 4.3.2b Parallel circuits, 4.3.2c Current and potential difference in circuits, 4.3.2d Combined resistance of resistors in parallel, and 4.3.3 Action and use of circuit components. Each one has a worked solution and a mark scheme showing where the marks go.

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