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2.1 Current, potential difference and resistance

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Question 1

An electric pump operates in two stages. The table shows the current through the pump during each stage.

StageCurrent in ATime
10.352.0 minutes
20.60not known

A total charge of 180 C flows through the pump during the two stages.

Calculate the total time for which the pump operates.

Give your answer in seconds.

[4]
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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