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1. A wire carrying a 30 A current has a length of 12 cm between the pole pieces of a magnet at an angle of 600with respect to the field direction.If the magnetic field has a uniform value of 90 T,then the force on the wire will be:
(A): 0.28N
(B): 2.8N
(C): 28 N
(D): 280 N
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