The resistance of a wire is 20 ohms. It is so stretched that the lengt – McqOptions

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1.	The resistance of a wire is 20 ohms. It is so stretched that the length becomes three times, then the new resistance of the wire will be [MP PET 1989]
A.	6.67 ohms
B.	60.0 ohms
C.	120 ohms
D.	180.0 ohms
Answer» E.

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