Note AcademyNote Academy
Start

Physics (AS & A Level) · Oct / Nov 2016 · Paper 11 · Question 33

9702Potential difference and power

An electric kettle is marked 3.10 kW. It is used with an electrical supply of 240 V. What is the electric current in the kettle and what is the kettle’s electrical resistance when working?

  1. A0.0129 A, 18 600 Ω
  2. B0.0770 A, 3100 Ω
  3. C12.9 A, 18.6 Ω
  4. D12.9 A, 3100 Ω

As printed in the paper

Show the answer

Correct answer: C. 12.9 A, 18.6 Ω

Sit this whole paper →More on Potential difference and power

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