Home Physics Current Electricity Karnataka - CET Previous Year Question A wire of resistance is stretched to twice …
Physics Current Electricity Karnataka - CET Previous Year Question MCQ (Single Correct)

A wire of resistance is stretched to twice its original length. The resistance of the new wire will be

A
B

C
D

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The correct answer is:
D

Given,

Let original length of the wire,

New length of the wire, and

New resistance of the wire,

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