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A magnet with its north pole pointing do...

A magnet with its north pole pointing down wards along the axis of an open ring as illustrated. As the magnet reaches close to the centre of the ring

A

its acceleration becomes greater than g

B

its acceleration becomes less than g

C

its acceleration remains equal to g

D

none of these

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The correct Answer is:
C
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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE - I (MAGNETIC FLUX, FARADAY.S LAW, LENZ.S LAW, AC GENERATOR)
  1. As shown in the figure, à magnet is moved with a fast speed towards a ...

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  2. Two different loops are concentric and lie in the same plane. The curr...

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  3. A magnet is dropped dwon an infinitely long vertical copper tube,

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  4. A magnet N-S is suspended from a spring and while at oscillates, the m...

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  5. An infinitely long cylinder is kept parallel to a uniform magnetic fie...

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  6. Two coils of wires A and B are mutually at right angles to each other ...

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  7. In the given figure, the north pole of a magnet is brought towards a c...

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  8. Two identical circular loops of metal wires are lying on a table witho...

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  9. A circular loop of radius R, carrying current I, lies in x-y plane wit...

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  10. As shown in figure, P and Q are two co-axial conducting loops separate...

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  11. The variation of induced emf (epsilon ) with time (t) in a coil if a s...

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  12. A current carrying wire is placed below a coil in its plane, with curr...

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  13. A conducting bar is pulled with a constant speed v on a smooth conduct...

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  14. A coil is rotated in a uniform magnetic field about an axis perpendicu...

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  15. A magnet with its north pole pointing down wards along the axis of an ...

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  16. The north of a bar magnet is moved towards a coil along the axis passi...

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  17. A metalic square loop ABCD is moving in its own plane with velocity v ...

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  18. A conducting wire frame is placed is placed in a magnetic field which ...

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  19. A metallic ring is connected to a rod oscillates freely like a pendulu...

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  20. In an experiment, a magnet with its magnetic moment along the axis of ...

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