A) \[3\pi /4\]
B) \[\pi /2\]
C) \[\pi /4\]
D) zero
Correct Answer: C
Solution :
[b] \[F=iB\,\,1\,\sin \,\theta \]. This is maximum when sin \[\theta =1\] or \[\theta =\pi /2\,\].You need to login to perform this action.
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