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4.2.4a Resistance

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Question 42

A 1.60 m length of resistance wire with a diameter of 0.60 mm has a resistance of 12.0 Ω.

A second piece of resistance wire of the same material with a diameter of 0.30 mm also has a resistance of 12.0 Ω.

What is the length of the second piece of wire?

A

0.40 m0.40\text{ m}0.40 m

B

0.80 m0.80\text{ m}0.80 m

C

3.20 m3.20\text{ m}3.20 m

D

6.40 m6.40\text{ m}6.40 m

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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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