Question

A circular loop of radius r, carrying a current I lies in y-z plane with its centre at the origin. The net magnetic flux through the loop is :

(a) directly proportional to r .
(b) zero
(©) inversely proportional to r (d) directly proportional to I​

Answer 1

Answer:

c option is correct .......

Answer 2

i think (A) and (D) both are correct

Explanation:

the expression for magnetic field at centre of loop is u°I/2r

area of loop is pie(r)^2

magnetic flux= ba cos0

=u°I pie(r)/2