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2.1 Current, potential difference and resistance

2.1 Current, potential difference and resistance

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Question 19

A photoflash unit in a camera is used to discharge a large amount of charge quickly to produce a bright flash of light.

When the flash is triggered, a potential difference of 450 V450\text{ V}450 V is applied across the flash tube.

A charge of 0.15 C0.15\text{ C}0.15 C passes through the flash tube in 5.0 ms5.0\text{ ms}5.0 ms.

Calculate the electrical resistance of the flash tube.

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2.1 Current, potential difference and resistance Questions

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

39 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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