Note AcademyNote Academy
Start

Physics · May / June 2024 · Paper 12 · Question 31

5054Uses of electricity

How many kilowatt-hours of energy are used by a 1000 W heater connected to a 230 V supply for 30 minutes?

  1. A0.30 kW h
  2. B0.50 kW h
  3. C30 kW h
  4. D120 kW h

As printed in the paper

Show the answer

Correct answer: B. 0.50 kW h

Sit this whole paper →More on Uses of electricity

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.