A wire 1 m long carries a current of 5 amp and is at an angle of 30° with B = 1.5 Wb/metre2 The magnitude of the force and its direction are

(a)   3.75 N perpendicular to wire and B
(b)   3.75 N perpendicular to wire and 120° to B
(c)   3.75 N perpendicular to wire and 150° to B
(d)   7.5 N perpendicular to wire and B

Ans: A

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