A current of 5 {\A} is passing through a metallic wire of cross- sectional area 4 \times 10^{-6} {\m}^2. If the density of charge carriers of the wire is 5 \times 10^{26} {\m}^{-3}, the drift velocity of the electrons will be

Correct Answer is : 1.56×10−2ms−1

KCET 2007 Physics Solved Paper

Question : 18 of 60

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A current of 5A is passing through a metallic wire of cross- sectional area 4×10−6m2. If the density of charge carriers of the wire is 5×1026m−3, the drift velocity of the electrons will be

1×10−2ms−1
1.56×10−3ms−1
1.56×10−2ms−1
1×102ms−1

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