Questions
A circular loop has a radius of 5 cm and it is carrying a current of 0.1 A. Its magnetic moment is
detailed solution
Correct option is D
m=IA=IπR2=(0.1)×π×5×10−22=7.85×10−4amp−m2Talk to our academic expert!
Similar Questions
A small ring of radius ‘a’ is carrying i, P is a point on its axis at a large distance x from its center. Mathematic induction at P is found to be B1. If the radius is doubled and current is also doubled. Also the distance of P from the center of the ring is doubled. Then find new magnetic induction at P.
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