Question

Two magnetic poles, one of which is 4 times as stronger as the other exert other a force of 64 mg wt when placed 1pcm apart. Find the strength of the stronger pole. (g= 10 m/s^2)

plz frnds fastly give the answer ​

Answer 1

Answer:

Letm

1

=4m

2

F=

4π

μ

0

r

2

m

1

m

2

=10

−7

×4m

2

2

/(0.05)

2

=144×10

−5

⇒4m

2

2

=1.44×25

∴m

2

=3Am,m

1

=12Am