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A metal rod of length 10 cm and a rectan...

A metal rod of length 10 cm and a rectangular cross-section of 1 cm`xx1/2` cm 1s connected to a battery across opposite faces. The resistance will be :

A

maximum when the battery is connected across 1 `cmxx1/2` cm faces.

B

maximum when the battery is connected across 10 `cmxx1cm` faces.

C

maximum when the battery is connected across 10 `cmxx1/2` cm faces.

D

same irrespective of the three faces.

Text Solution

Verified by Experts

The correct Answer is:
A
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