Skip to content

Course home

Sign up

10.2 Resistance

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940
Question 21
F

A 10 Ω resistor and an unknown resistor are connected in series across a 9.0 V supply. The potential difference across the 10 Ω resistor is 3.0 V. What is the unknown resistance?

[1]
A

6.7 Ω6.7\ \Omega6.7 Ω

B

30 Ω30\ \Omega30 Ω

C

3.3 Ω3.3\ \Omega3.3 Ω

D

20 Ω20\ \Omega20 Ω

Markscheme

10.2 Resistance Questions

  1. GCSE
  2. /Physics
  3. /10.2 Resistance

81 exam-style questions on Edexcel GCSE Physics 10.2 Resistance, covering 10.2.1 Current in a circuit and conservation at junctions, 10.2.2 Resistance and variable resistors, 10.2.3 Series and parallel resistance, 10.2.4 I–V characteristics of components, and 10.2.5 LDRs and thermistors. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank