Two copper conductors have ___

Two copper conductors have equal length.

The cross-sectional area of one conductor is four times that of the other.

If the conductor having smaller cross-sectional area has a resistance of 40 ohms
the resistance of other conductor will be

A. 160 ohms
B. 80 ohms
C. 20 ohms
D. 10 ohms

Show Answer

Answer: D

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