Question

In two separate experiments at a place, the
neutral points due to two small magnets are at a
distance of r and 2r in broad side on position. The
ratio of their magnetic moments will be
(1) 4:1
(2) 1:2
(3) 2:1
(4) 1:8​

Answer 1

Answer:

Explanation:

4:1

1:2

2:1

1:8

Answer :

4

Solution :

At broad side-on position B=Md3

:. M1d3=M2d32 or M1r3=M28r3 or M1M2=r38r3=18

Answer 2

B proportion to 1/r3

b1/b2=1/8

Explanation: