Electrical power

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Question 1
Easy

A miniature water pump in a hydroponics system is operated at a potential difference of 12 V. The current passing through the pump is 0.35 A.

The pump is run continuously for 3.5 minutes3.5\text{ minutes}3.5 minutes.

Calculate the electrical energy transferred to the pump in this time. Give your answer in joules (J\text{J}J).

[2]

Electrical power Questions

  1. GCSE
  2. /Physics
  3. /Electrical power