Magnetic field due to currentEasy
Question
A circular loop of radius R, carrying current I, lies in x-y plane with its centre at a origin. The total magnetic flux through x-y plane is
Options
A.directly proportional to I
B.directly proportional to R
C.inversely proportional to R
D.zero
Solution
Total magnetic flux passing through whole the X-Y plane will be zero, because magnetic lines from a closed loop. So as many lines will move on in Z direction same will return to +Z direction from the X-Y plane.
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