The resistance of a 5 cm long wire is 10 W. It is uniformly stretched so that its length becomes 20 cm. The resistance of the wire is [MH CET 2002]

The resistance of a 5 cm long wire is 10 W. It is uniformly stretche

1.	The resistance of a 5 cm long wire is 10 W. It is uniformly stretched so that its length becomes 20 cm. The resistance of the wire is [MH CET 2002]
A.	160 W
B.	80 W
C.	Wavelength and frequency only
D.	20 W
Answer» B. 80 W

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The resistance of a 5 cm long wire is 10 W. It is uniformly stretched so that its length becomes 20 cm. The resistance of the wire is [MH CET 2002]

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