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A magnet is brought towards a coil (i) s...

A magnet is brought towards a coil (i) speedly (ii) slowly, then induced emf/induced charge will be respectively

A

More in first case/ More in first case

B

More in first case/ Equal in both case

C

Less in first case/ More in second case

D

Less in first case/ Equal in both case

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE - I (MAGNETIC FLUX, FARADAY.S LAW, LENZ.S LAW, AC GENERATOR)
  1. Two coils C(1) and C(2) are kept coaxially as shown the coil C(1) is c...

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  2. A copper ring is held horizontally and a bar magnet is dropped through...

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  3. A magnet is brought towards a coil (i) speedly (ii) slowly, then induc...

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  4. The north pole of a magnet is brought near a metallic ring as shown in...

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  5. Two similar circular loops carry equal currents in the same direction....

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  6. As shown in the figure, à magnet is moved with a fast speed towards a ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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