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If a conductor is rotating about its one...

If a conductor is rotating about its one end in a uniform magnetic field then an emf induced in it is

A

`e=-BA f`

B

`e=+BA f^(2)`

C

`e=B//A f`

D

`e=B`

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The correct Answer is:
A
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NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
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  2. If a straight conductor is moved with a uniform velocity at right angl...

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  4. The direction of the induced e.m.f. is determined by

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  5. The phenomenon of electromagnetic induction was discovered by

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  6. Magnetic flux through a coil depends upon

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  7. If any surface is parallel to magnetic lines of forces, then magnetic ...

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  8. Negative sign appearing in Faraday's law of electromagnetic induction ...

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  9. A magnet is moved towards a coil (i) quickly (ii) slowly, then the ind...

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  10. A coil is being moved towards a stationary magnet (i) rapidly (ii) slo...

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  11. When a magnet is moved with its south pole towards the coil, then the ...

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  12. When a magnetic is moved with its N pole away from the coil, then the ...

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  13. Which of the following phenomenon makes use of electromagnetic inducti...

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  15. A copper rod moves parallel to the horizontal direction. The emf. Indu...

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  16. The direction of induced e.m.f. during electromagnetic induction is gi...

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  17. Lenz's law is a consequence of law of conservation of

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  18. Lenz's law provides a relation between

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  19. When a magnet is moved towards a coil the direction of induced current...

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  20. A horizontal straight conductor along east-west direction falls under ...

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