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4.2.4a Resistance

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Question 83

A wire of a certain metal has an electrical resistance. The diameter and the length of the wire can be modified. Which combination of changes must cause the resistance of the wire to decrease?

A

Diameter decreases, length decreases.

B

Diameter decreases, length increases.

C

Diameter increases, length decreases.

D

Diameter increases, length increases.

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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