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I-V characterstic of a copper wire of le...

`I-V` characterstic of a copper wire of length `L` and area fo cross-section `A` is shown in Fig. The slope of the curve becomes

A

More if the experiment is performed at higher temperature

B

More if a wire of steel of the same direction is used

C

more if the length of the wire is increased

D

Less if the length of the wire is increased

Text Solution

Verified by Experts

The correct Answer is:
D
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