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4.2.4a Resistance

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Question 38

A wire has a resistance of 12.0 Ω.

A second wire of the same material has three times the length and twice the cross-sectional area of the first wire.

What is the resistance of the second wire?

A

8.0 Ω8.0\ \Omega8.0 Ω

B

12.0 Ω12.0\ \Omega12.0 Ω

C

18.0 Ω18.0\ \Omega18.0 Ω

D

72.0 Ω72.0\ \Omega72.0 Ω

Markscheme

4.2.4a Resistance Questions

  1. IGCSE
  2. /Physics
  3. /4.2.4a Resistance

132 exam-style questions on CIE IGCSE Physics 4.2.4a Resistance. Each one has a worked solution and a mark scheme showing where the marks go.

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