Question

the strenght of magnetic field at centre of circular coil is​

Answer 1

Answer:

When the current through a circular loop is 6.0 A, the magnetic field at its center is 2.0×10−4T.

Answer 2

Answer:so the magnetic field at the centre of the circular coil is B=u0Ni/2a

Explanation:u0 is the permability constant

where N is no.of turns in the coil

And a is the length of the current coil