Physics, asked by kowsik2000p2qzlh, 10 months ago

if a wire is spread so that its length is doubled, and area of cross section and the area of cross section is reduced by 3 times then calculate the ratio of new resistance to old resistance​

Answers

Answered by mvm9363
0

Answer:

When the wire is stretched to double the length , the area of cross section gets reduced to half. So when the wire is stretched, the resistance multiplies by four times.

Explanation:

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