1.

If a copper wire of 200 m length having 0.44mm diameter has resistance of 20 Ohm, then find its specific resistance (in Ohm-m).

A. 1.520 × 10-8
B. 1.520 × 10-7
C. 1.520 × 10-6
D. 1.520 × 10-5
Answer» B. 1.520 × 10-7


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