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10.2 Resistance

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Question 3

A car headlamp contains a filament lamp. When the headlamp is switched on, the potential difference across the filament is 12 V and the resistance of the filament is 2.4 Ω. What is the current in the filament?

[1]
A

29 A29\ \mathrm{A}29 A

B

0.20 A0.20\ \mathrm{A}0.20 A

C

5.0 A5.0\ \mathrm{A}5.0 A

D

14 A14\ \mathrm{A}14 A

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.

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