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Lenz's law is consequence of the law of...

Lenz's law is consequence of the law of conservation of

A

charge

B

momentum

C

mass

D

energy

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The correct Answer is:
D
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RESONANCE-ELECTROMAGNETIC INDUCTION-Exercise
  1. The unit of mutual inductance is-

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  2. In a step-down transformer input voltage is 200 volts and output volta...

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  3. Lenz's law is consequence of the law of conservation of

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  4. On passing a current of 2A in a coil inductance 5H, the energy stored ...

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  5. A metal rod of length L is placed normal to a magnetic field and rotat...

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  6. The spokes of a wheel are made of metal and their lengths are of one m...

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  7. When the primary current in the spark-coil of a car changes from 4A to...

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  8. The self-inductance of a coil is 2H. The current in the coil changes f...

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  9. Area of a coil is 0.16m^2. If the magnetic field through it changes fr...

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  10. What is increase in step-down transformer?

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  11. If in a coil rate of change of area is (5meter^(2))/(milli second)and ...

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  12. An electron is moving near to a conducting loop then the induced curre...

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  13. The magnetic flux linked with a coil, in webers, is given by the equat...

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  14. A metallic conductor of 1m length is rotated verically its one end at ...

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  15. The resistance of a coil is 5 ohm and a current of 0.2A is induced in ...

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  16. If the length and area of cross-section of an inductor remain same but...

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  17. Self-inductance of a solenoid depend on-

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  18. When current flowing in a coil changes from 3A to 2A in one millisecon...

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  19. In the figure magnetic energy stored in the coil is

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  20. The self inductance of a solenoid of length L, area of cross-section A...

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