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As shown in the figure, à magnet is move...

As shown in the figure, à magnet is moved with a fast speed towards a coil at rest. Due to this induced emf, induced current and induced charge in the coll is E, I and Q respectively. If the speed of the magnet is doubled, the incorrect statement is

A

E increases

B

I increases

C

Q remains same

D

Q increases

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE - I (MAGNETIC FLUX, FARADAY.S LAW, LENZ.S LAW, AC GENERATOR)
  1. The north pole of a magnet is brought near a metallic ring as shown in...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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