SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

An infinitely long current carrying wire and a small current carrying loop are in the place of the paper as shown.  The radius of the loop is a and distance of its centre from the wire is d(d a). if the loop applies a force F on the wire then:

a.

F

b.

F

c.

F

d.

F=0


Question ID - 50059 :-

An infinitely long current carrying wire and a small current carrying loop are in the place of the paper as shown.  The radius of the loop is a and distance of its centre from the wire is d(d a). if the loop applies a force F on the wire then:

a.

F

b.

F

c.

F

d.

F=0

1 Answer
5876 Votes
3537

Answer Key : (c) -

Eqvailent dipole of given loop

F=m.

Now =

 

 so F [ M=NIA]

∴F



Next Question :

Consider the following:

 

Which one of the following conclusions can be drawn from these figures?

(a) The areas of the three figures are all different.

(b) The areas of all the three figures are equal

(c) The perimeters of the three figures are equal

(d) The perimeters of figures I and II are equal.


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