A wire of resistance R is elongated n-fold to make a new uniform wire. The resistance of new wire [2017] - VgyanHub

Question:

A wire of resistance R is elongated n-fold to make a new uniform wire. The resistance of new wire [2017]

Options :

a)nR
b)n^2R
c)2nR
d)2n^2R

Answer :

b)n^2R

Answer Steps :

Step:-1

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