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2.1 Current, potential difference and resistance

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Question 17

An electronic sound device contains a resistor. The potential difference across the resistor is 8.4 V and the current through it is 0.21 A.

Using these readings, calculate the resistance of the resistor.

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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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