Questions
A wire of length L metre carrying a current of l ampere is bent in the form of circle. Its magnetic moment is
a
1L2/4πAm2
b
I L2/4Am2
c
IπL2/4Am2
d
21L2/πAm2
detailed solution
Correct option is A
Length of wire, L = 2πRRadius of loop, R=L2πMagnetic moment, M = IA =1πL24π2=IL24πAm2Talk to our academic expert!
Similar Questions
A circular loop has a radius of 5 cm and it is carrying a current of 0.1 A. Its magnetic moment is
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