The length of the wire is double and the cross sections is also double then the resistance is
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R= rho l/A
L=2l
A=2A
R=rho * 2l/2A ( 2 and 2 will get cancelled)
So value of resistance remains same .
THE RESISTANCE IS SAME AS THE INITIAL VALUE
L=2l
A=2A
R=rho * 2l/2A ( 2 and 2 will get cancelled)
So value of resistance remains same .
THE RESISTANCE IS SAME AS THE INITIAL VALUE
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