Science, asked by sanjeevsony5516, 1 year ago

A wire of length L and R is stretched so that its length’s doubled and the area
of cross section is halved. How will its
(i) Resistance change
(ii) Resistivity change.

Answers

Answered by Iamkeetarp
0
R prop l/a
R' = 2l/1/2a= 4l/a
R' = 4R
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