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4.2.4a Resistance

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Question 24

An aluminum wire has a resistance of 8.0 Ω.

A second aluminum wire is three times as long as the first wire, and its diameter is twice the diameter of the first wire.

What is the resistance of the second wire?

A

2.0 Ω2.0\ \Omega2.0 Ω

B

6.0 Ω6.0\ \Omega6.0 Ω

C

12.0 Ω12.0\ \Omega12.0 Ω

D

24.0 Ω24.0\ \Omega24.0 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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