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If a solenoid of magnetic moment 0.6JT^(...

If a solenoid of magnetic moment `0.6JT^(-1)` is free to turn about the vertical direction and a uniform horizontal magnetic field of 0.25 T is applied, what is the magnitude of torque on the solenoid when its axis makes an angle of `30^(@)` with the direction of applied field?

A

`6.5 xx 10^(-2) J`

B

`4.5 xx 10^(-2) J`

C

`4.8 xx 10^(-2 )J`

D

`7.5 xx 10^(-2) J`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MOVING CHANGES & MEGNETISM)
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  2. A closely wound solenoid of 800 turns and area of cross-section 2.5xx1...

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  3. If a solenoid of magnetic moment 0.6JT^(-1) is free to turn about th...

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  5. A solenoid of length 'l' has N turns of wire closely spaced, each turn...

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