The resistance of a wire is 20 ohm. It is so stretched that the length becomes three times, then the new resistance of the wire will be [2013] - VgyanHub

Question:

The resistance of a wire is 20 ohm. It is so stretched that the length becomes three times, then the new resistance of the wire will be [2013]

Options :

a)6.67ohm
b)60.0ohm
c)120ohm
d)180.0ohm

Answer :

d)180.0ohm

Answer Steps :

Step:-1

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