Question

A circular coil of radius 5 cm has 500 turns of a wire. The approximate value of the coefficient of self induction of
the coil will be
a) 25 millihenry
b) 25 x 10-3millihenry
c) 50 x 10-34 millihenry
d) 50 x 10-3henry​

Answer 1

Explanation:

the answer is 25mH.....