Question

13. A closely wound solenoid of 3000 turns and area of cross- section 2x 10-4 m?, carrying a current of 6 A is suspended through its centre allowing it to turn in a horizontal plane. The magnetic moment associated with this solenoid is?

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Answer 1

i not no i am samarth

Answer 2

Answer:

Correct option is

D

3.6JT

−1

Here, N=3000,A=2×10

−4

m

2

,I=6A

∴M=NIA=3000×6×2×10

−4

=3.6JT

−1