1.

The bar of iron 2 cmx2 cm having area 40 cm with the resistivity of 11 x 10-8 ohm meter will have the resistance

A. 2.1 x 10-4 ohm
B. 3.1 x 10-4 ohm
C. 4.1 x 10-4 ohm
D. 1.1 x 10-4 ohm
Answer» E.


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