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A cylindrical bar magnet is kept along t...

A cylindrical bar magnet is kept along the axis of a circular coil. If the magnent is rotated about its axis, then

A

A current will be induced in the coil

B

No current will be induced in the coil

C

Only e.m.f will be induced in the coil

D

Both e.m.f and current will be induced in the coil

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-IA
  1. A cylindrical bar magnet is kept along the axis of a circular coil. If...

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

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  3. If the flux of magnetic induction through each turn of a coil of resis...

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  4. Two coils C(1) and C(2) are kept coaxially as shown the coil C(1) is c...

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  5. A closed iron ring is held horizontally and a bar magnet is dropped th...

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

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

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

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

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

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

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

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  13. When the current through a solenoid increases at a constant rate, then...

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

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

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

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  17. A closed loop moves normal to a constant electric field between the pl...

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

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

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

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