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2.1 Current, potential difference and resistance

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Question 15

A greenhouse ventilation control circuit contains a 6.0 Ω resistor and a 10 Ω resistor connected in series. The current in the circuit is 0.40 A.

Which supply potential difference is needed?

[1]
A

1.6 V

B

6.4 V

C

2.4 V

D

4.0 V

Markscheme

2.1 Current, potential difference and resistance Questions

  1. GCSE
  2. /Physics
  3. /2.1 Current, potential difference and resistance

82 exam-style questions on AQA GCSE Physics 2.1 Current, potential difference and resistance, covering 2.1.1 Standard circuit diagram symbols, 2.1.2 Electrical charge and current, 2.1.3 Current, resistance and potential difference, and 2.1.4 Resistors. Each one has a worked solution and a mark scheme showing where the marks go.

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