1.

The resistance of a metallic wire of length 1m and area of cross-section 1sq.metre having a resistivity is \(2 \times 10^{-6}\) ohm -m is:

A. \(2 \times 10^{-6}\) ohm
B. \(0.5 \times 10^{6}\) ohm
C. \(1 \times 10^{-6}\) ohm
D. \(0.25 \times 10^{-6}\) ohm
Answer» B. \(0.5 \times 10^{6}\) ohm


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