Physics, asked by annmary03, 10 months ago

A wire has diameter 2 mm and resistivity 3.14 X10^-8Ωm.What will be
the length of this wire to make the resistance 10Ω?How much does the resistance change if the resistance is doubled?

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Answers

Answered by kaminipandey9095
1

So by doubling the radius of wire , the resistance of the wire will become 1/4 time the previous resistance.

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Answered by veenavg78
2

Answer:

first you double the radius

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