I-V characteristic of a copper wire of length L and area of cross-sect – McqOptions

MCQOPTIONS

1.	I-V characteristic of a copper wire of length L and area of cross-section A is shown in figure. The slope of the curve becomes [Orissa JEE 2003]
A.	More if the experiment is performed at higher temperature
B.	More if a wire of steel of same dimension is used
C.	More if the length of the wire is increased
D.	Less if the length of the wire is increased
Answer» E.

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