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4.2.4a Resistance

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Question 44

A cylindrical metal wire has a certain electrical resistance. The radius and the length of the wire may be changed.

Which pair of changes must cause the electrical resistance of the wire to decrease?

A

Decrease radius, decrease length

B

Decrease radius, increase length

C

Increase radius, decrease length

D

Increase radius, increase length

Markscheme

4.2.4a Resistance Questions

IGCSE
Physics
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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