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10.1 Circuits, charge and current

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Question 21

A rechargeable supply for a greenhouse ventilation controller delivers a total charge of 6480 C before it is exhausted. While the controller is running, it draws a constant current of 0.15 A.

Calculate the time for which the supply can run the controller. Give your answer in hours.

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10.1 Circuits, charge and current Questions

  1. GCSE
  2. /Physics
  3. /10.1 Circuits, charge and current

94 exam-style questions on Edexcel GCSE Physics 10.1 Circuits, charge and current, covering 10.1.1 Structure of the atom, 10.1.2 Circuit diagrams and symbols, 10.1.3 Series and parallel circuits, 10.1.4 Potential difference and voltmeters, 10.1.5 Energy transferred, charge and potential difference, and 10.1.6 Current, ammeters and charge flow. Each one has a worked solution and a mark scheme showing where the marks go.

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