A straight wire of length 1 m, and carrying a current of 1.8 A, is placed in a uniform magnetic field of induction 2T. If the magntic field is perpendicular to the length of the wire, then the force acting on the wire is
A. 1.8 N
B. 3.6N
C. 0.9N
D. 2.5N

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1 Answers

Correct Answer - B
`F=Iblsintheta=1.8xx2xx1xxsin90=3.6N`

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