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Consider the following statements: (a)An...

Consider the following statements: (a)An emf can be induced by moving a conductor in a magnetic field. (b)An emf can be induced by changing the magnetic field.

A

both `A` and `B` are ture

B

`A` is true but `B` is false

C

`B` is true but `A` is false

D

both `A` and `B` are false

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The correct Answer is:
A
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CP SINGH-ELECTROMAGNETIC INDUCTION-EXERCISES
  1. shows a straight, long wire carrying a current I and a rod of length l...

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  2. The magnetic field in a region is given by vec B = veck (B0)/(L) y whe...

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  3. Consider the following statements: (a)An emf can be induced by moving ...

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  4. A conducting loop is placed in a uniform magnetic field with its plane...

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  5. A magnet is moving towards a coil along its axis and the emf induced i...

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  6. As shown in the figure, a magnetic is moved with a a fast speed toward...

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  7. A metal rod length l rotates about on end with a uniform angular velo...

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  8. if rod is rotated about an axis passing through its mid-point , the po...

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  9. A metal conductor of length 1m rotates vertically about one of its end...

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  10. A metal rod of resistance R is fixed along a diameter o fa conducting ...

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  11. A conducting disc of radius r spins about its axis an angular velocity...

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  12. Three indential rings move with same speed on a horizontal magnetic fi...

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  13. A uniform but time-varying magnetic field B(t) exists in a circular re...

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  14. The inductance of a coil is proportional to

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  15. When the number of turns and the length of the solenoid are doubled ke...

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  16. A long solenoid has 500 turns. When a current of 2A is passed through ...

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  17. A coil is wound as a transformer of rectangular cross section. If all ...

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  18. A long solenoid of N turns has a self-induced L and area of cross-sect...

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  19. The SI unit of inductance, the henry can be written as

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  20. Pure inductance of 3.0 H is connected as shown below. The equivalent i...

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