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2.1 Current, potential difference and resistance

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Question 13

A resistor in a portable communications device's status-indicator circuit has a potential difference of 4.8 V across it and a resistance of 1.2 kΩ1.2\ \text{k}\Omega1.2 kΩ.

What is the current through the resistor?

[1]
A

0.25 A

B

0.0040 mA

C

4.0 mA

D

4.0 A

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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