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A long straight conductor carrying a cur...

A long straight conductor carrying a current lies along the axis of a ring. The conductor will exert a force on the ring if the ring

A

carries a current

B

has uniformly distributed charge

C

has non-uniformly distributed charge

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
D

Since `B` and length `l` of conductor are parallel. Magnetic force on conductor is zero.
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CP SINGH-MAGNETIC FORCE, MOMENT AND TORQUE-Exercises
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  2. A 50 turn circular coil of radius 2.0 cm carrying a current of 5.0 A ...

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  3. A rectangular loop of sides 20 cm and 10 cm carries a current of 5.0 A...

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  7. Four wires each of length 2.0 meters area bent into four loops P,Q,R a...

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  9. Two particles , each of mass m and charge q, are attached to the two ...

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  10. A long straight conductor carrying a current lies along the axis of a ...

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  11. In the previous question, let the ring have non-uniformly distributed ...

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  12. A flat coil carrying a current has a magnetic moment mu. It is placed ...

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  13. A current carrying loop is free to turn in a uniform magnetic field.Th...

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  14. A flat coil carrying a current has a magnetic moment mu. It is initial...

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  15. A small coil of N turns has an effective area A and carries a current ...

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  16. A current carrying loop is placed in a uniform magnetic field in four...

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  17. Two insulated rings, one of a slighlty smaller diameter than the other...

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  18. An infinite current carrying wire passes through point O and is perpen...

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