Questions
A circular loop of radius R carrying current I lies in x-y plane with its centre at origin. The total magnetic flux through x-y plane is
a
Directly proportional to I
b
Directly proportional to R
c
Directly proportional to R2
d
Zero
detailed solution
Correct option is D
Circular loop behaves as a magnetic dipole whose one surface will be N-pole and another will be S-pole. Therefore, magnetic lines a force emerges from N will meet at S. Hence total magnetic flux through x-y plane is zero.Talk to our academic expert!
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