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A wire of a certain material is stretched slowly by ten percen

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A wire of a certain material is stretched slowly by ten percent. It new resistance and specific resistance become respectively :

1.1 times, 1.1 times

1.2 times, 1.1 times

1.21 times, same

Both remain the same

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Updated on: Jan 10, 2023

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Text solutionVerified

\frac{R _{2}}{R _{1}} = (\frac{I _{2}}{I _{1}})^{2} = (\frac{1.1 I _{1}}{I _{1}})^{2} = 1.21

R_{2} = 1.21 R

specific resistance is material property which remains unchanged here.

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Question Text	A wire of a certain material is stretched slowly by ten percent. It new resistance and specific resistance become respectively :
Updated On	Jan 10, 2023
Topic	Current Electricity
Subject	Physics
Class	Class 12
Answer Type	Text solution:1 Video solution: 19
Upvotes	1919
Avg. Video Duration	5 min

A wire of a certain material is stretched slowly by ten percent. It new resistance and specific resistance become respectively :

Text solutionVerified

Filo tutor solutions (19)

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