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Motional emf is produed in a rod moving ...

Motional emf is produed in a rod moving perpendicular in a uniform magnetic field is due to

A

change in number of magnetic lines of force through the rod

B

rod is cutting magnetic field lines

C

Diameter of rod changes when rod moves

D

none

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
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  2. A magnet is moving towards a coil quickly and slowly, then the induced...

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  3. Motional emf is produed in a rod moving perpendicular in a uniform mag...

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  4. Live wire has

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  5. Fuse is connected in

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  6. The use of fuse is

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  7. In India, the electricity is supplied at

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  8. Switches are connected to

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  9. Which wire is thickest?

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  10. The magnitude of induced emf produced depends on the rate of change of...

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  11. Name the physical quantity whose S.I unit is Wb-m^2. Is it is a scala...

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  12. How will the magnetic field intensity at the centre of a circular coil...

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  13. How can it be shown that a magnetic field exists around a wire through...

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  14. How is the strength of the magnetic field at a point near a wire relat...

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  15. What constitutes the field of a magnet?

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  16. How can you show that the magnetic field produced by a given electric ...

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  17. It is observed that when a magnetic compass is brought near a bar magn...

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  18. When is the force experienced by a current carrying conductor placed i...

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  19. What happens to magnetic needle it is brough near a current carrying c...

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  20. Find the force acting on a current carrying conductor placed in an uni...

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