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Consider a resistor of uniform cross-sec...

Consider a resistor of uniform cross-sectional area connected to a battery of internal resistance zero. If the length of the resistor is doubled by stretching it, then

A

Current will become four times.

B

the electric field in the wire will become half.

C

the thermal power produced by the resistor will become one-fourth.

D

the product of the current density and conductance will become half.

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The correct Answer is:
B, C
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