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

As shown in the figure, a magnet is moved with some speed towards a coil at rest. Due to this induced electromotive force, induced current and induced charge in the coil are 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)
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  2. The current is flowing in two coaxial coils in the same direction. On ...

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  3. As shown in the figure, a magnet is moved with some speed towards a co...

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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 down an infinitely long vertical copper tube

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  6. A magnet NS is suspended from a spring and M while oscillates, the mag...

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  7. An infinitely long cylinder is kept parallel to an uniform magnetic fi...

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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 wire are lying on a table withou...

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  11. A circular loop of radius R in X-Y plane with its centre at origin is ...

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  12. As shown in the figure, P and Q are two coaxial conducting loops separ...

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  13. The variation of induced emf (e) with time (t) in a coil, if a short b...

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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 pulled with a constant speed v in a smooth conducting...

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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 metallic square loop ABCD is moving in its own plane with velocity v...

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

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