question_answer

A circular loop of radius R carrying current \[I\] lies in \[xy\] 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 \[{{R}^{2}}\]

D)  zero

Correct Answer: D

Solution :

  Since, here total flux entering equals the total flux leaving and hence net flux equals zero.