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A wire of length l is drawn such that it...

A wire of length l is drawn such that its diameter is reduced to half of its original diameter. If the initial resistance of the wire were `10Omega` , its new resistance would be

A

40`Omega`

B

80`Omega`

C

120`Omega`

D

160`Omega`

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VGS PUBLICATION-BRILLIANT-ELECTRIC CURRENTT-EXERCISE
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