Question

What happens to a magnetic field if the current carrying wire A has three times as many loops but the same current as the current carrying wire B?
a.wire A will have a lower magnetic field than wire B
b.wire A will have a magnetic field one-half as strong as wire B
c.wire Awill have a magnetic field greater than wire B
d.wire A and B will both have the same magnetic field

Answer 1

Inside the inductor \[B=\mu_oI\tfrac N\ell\]

Answer 2

The answer should be (b) wire A will have greater magnetic field than wire B because as we go on increasing the loops the magnetic field goes on increasing .

Answer 3

thanks