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V-I graphs for a material is shown in th...


`V-I` graphs for a material is shown in the figure. The graphs are drawn at two different temperatures.

A

`T_(1)-T_(2)propcot2theta`

B

`T_(1)-T_(2)propsin2theta`

C

`T_(1)-T_(2)proptan2theta`

D

`T_(1)-T_(2)propcos2theta`

Text Solution

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The correct Answer is:
A
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