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2.1 Current, potential difference and resistance

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Question 17

The coil of an electric door release carries a steady current of 300 mA while a door is held open.

How long, in minutes, does it take for 54 C of charge to flow through the coil?

[1]
A

3.0 minutes

B

180 minutes

C

0.27 minutes

D

0.18 minutes

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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