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2.2 Series and parallel circuits

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Question 15

A heated mirror contains two heating tracks connected in series. The resistances of the tracks are 15 Ω and 25 Ω. A current of 0.30 A is required in the heating tracks. What is the required potential difference of the supply?

[1]
A

7.5 V7.5\ \text{V}7.5 V

B

12 V12\ \text{V}12 V

C

3.0 V3.0\ \text{V}3.0 V

D

4.5 V4.5\ \text{V}4.5 V

Markscheme

2.2 Series and parallel circuits Questions

  1. GCSE
  2. /Physics
  3. /2.2 Series and parallel circuits

94 exam-style questions on AQA GCSE Physics 2.2 Series and parallel circuits, covering 2.2 Series and parallel circuits. Each one has a worked solution and a mark scheme showing where the marks go.

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