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4.3 Electric circuits

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Question 71

A student carries out an experiment to investigate how the current through a resistor R R\,R varies with the potential difference (p.d.) across it. They use a battery, a switch, a variable resistor, an ammeter, and a voltmeter.

Which of the following describes the correct arrangement of the meters to obtain the required readings?

A

The voltmeter is connected in parallel with the resistor RRR, and the ammeter is connected in series with the resistor RRR.

B

The voltmeter is connected in parallel with the battery, and the ammeter is connected in series with the resistor RRR.

C

The voltmeter is connected in series with the resistor RRR, and the ammeter is connected in parallel with the resistor RRR.

D

The voltmeter is connected in parallel with the variable resistor, and the ammeter is connected in parallel with the resistor 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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