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
a). if the loop applies a force F on the wire then:a.
F
b.
F
c.
F
d.
F=0
Question ID - 50059 | SaraNextGen Top Answer 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
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
127 votes
Answer Key / Explanation : (c) -
Eqvailent dipole of given loop
F=m.
Now 
=
so F
[
M=NIA]
∴F
127 votes
Answer Link
127