Question

20. The windings
of the solenoid are insulated from the core and carry a
current of 2 A If the number of turns is 1000 per metre then His
a) 2 x 10' A/m b) 3 X 10' A/
mc) 4 x 10 A/m d) 5 X 10' A/m
Le​

Answer 1

Explanation:

answer a is the correct answer mark me as brainelist answer