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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 | Top Ranker Answer | SaraNextGen

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



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