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4.2.5 Electrical energy and electrical power

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Question 29

The potential difference across a portable electric heater is 24 V. The current in the heater is 3.5 A.

How much energy is transferred by the heater in 2.0 hours2.0\text{ hours}2.0 hours?

A

10 080 J10\,080\text{ J}10080 J

B

10 080 W10\,080\text{ W}10080 W

C

604 800 J604\,800\text{ J}604800 J

D

604 800 W604\,800\text{ W}604800 W

Markscheme

4.2.5 Electrical energy and electrical power Questions

  1. IGCSE
  2. /Physics
  3. /4.2.5 Electrical energy and electrical power

69 exam-style questions on CIE IGCSE Physics 4.2.5 Electrical energy and electrical power. Each one has a worked solution and a mark scheme showing where the marks go.

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