Question: The length of a certain wire is doubled while its radius is kept constant. What is the new resistance of this wire? R = p

The length of a certain wire is doubled while its radius

The length of a certain wire is doubled while its radius is kept constant. What is the new resistance of this wire? R = p * l/ A where p is resistivity, Lis the length, and A is the cross-sectional area of the wire

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