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4.2.4a Resistance

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Question 6

A metal wire of a fixed volume is stretched to different lengths $L$ , resulting in a different resistance $R\,$ for each length.

Which relationship between $R\,$ and $L\,$ is correct?

A

$R$ is directly proportional to $L$ .

B

$R$ is directly proportional to $L^2$ .

C

$R$ is inversely proportional to $L^2$ .

D

$R$ is inversely proportional to $L^2$ .

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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