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4.3 Electric circuits

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Question 42

To determine the electrical resistance of a resistor, a student connects both an ammeter and a voltmeter to the resistor in a circuit. Which of the following correctly describes how these meters are connected relative to the resistor, and what their ideal internal resistances should be?

A

Ammeter in parallel with very high resistance; voltmeter in series with very low resistance.

B

Ammeter in series with very high resistance; voltmeter in parallel with very low resistance.

C

Ammeter in parallel with very low resistance; voltmeter in series with very high resistance.

D

Ammeter in series with very low resistance; voltmeter in parallel with very high resistance.

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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