Note AcademyNote Academy

Physics (AS & A Level) · Feb / March 2022 · Paper 12 · Question 36

9702Kirchhoff’s laws

A cell has an electromotive force (e.m.f.) of 8.0 V and negligible internal resistance. The cell forms part of a circuit, as shown. The reading V1 is 4.0 V and the reading V2 is also 4.0 V. What is the resistance of resistor R?

  1. A0.50 Ω
  2. B2.0 Ω
  3. C4.0 Ω
  4. D8.0 Ω

As printed in the paper

Show the answer

Correct answer: B. 2.0 Ω

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