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A horizontal conducting wire of length 0...

A horizontal conducting wire of length 0.1 m carries a current of 4A. If mass of the wire is `7.5 xx 10^(-5)` kg and `g=10 m//s^(2)`, the uniform magnetic induction required to support the weight of the wire is

A

7 xx 10^(-3) N

B

0.7 xx 10^(-3) N

C

0.07 xx 10^(-3)N

D

70 xx 10^(-3) N

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