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When ever the flux linked with a coil ch...

When ever the flux linked with a coil changes, then

A

current is always induced

B

an emf and a current are always induced

C

and emf is incduced but a current is never induced

D

an emf is always induced and a current is induced, when the coil is a closed one

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The correct Answer is:
D
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NARAYNA-ELECTRO MAGNETIC INDUCTION-C.U.Q 1
  1. When ever the flux linked with a coil changes, then

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  2. Whenever the magnet flux linked with a coil changes, then is an induce...

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  3. A magnet is brought towards a coil (i) speedily (ii) slowly then the i...

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  4. The laws of elctromagnetic induction have bee used in the construction...

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  5. When a rate of change of current in a circuit is unity, the induced em...

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  6. A bar magnet is dropped along the axis of copper ring held horizontall...

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  7. An annular circular brass disk of inner radius 'r' and outer radius 'R...

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  8. Consider the situation shown in the figure. If the current I in the l...

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  9. The direction of the induced e.m.f. is determined by

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  10. A wire moves with a velocity ''v'' through a magnetic field and experi...

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  11. An electric potential difference will be incduced between the ends of ...

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  12. A horizontal straight conductor when placed along south-north directio...

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  13. Two circular, similar, coaxial loops carry equal currents in the same...

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  14. A long conducting wire AH is moved over a conducting triangular wire C...

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  15. A square coil ACDE with its plane vertically is released from rest in ...

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

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  17. A rectangular loop of wire with dimensions shown in figure is coplanar...

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  18. The four wire loops shpwn figure have vertical edge lengths of either ...

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  19. A rod lies acrossfrictionless rails in a uniform magnetic field vec(B)...

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  20. An electron moves on a straight line path Y Y' as shown in figure. A c...

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