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Asseration: A transformer cannot work on...

Asseration: A transformer cannot work on dc supply.
Reason: there is no effect of earth's magnetic field on freely falling body.

A

If both asseration and reason are true and reason is the correct explanation of assertion.

B

If both asseration and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A
Transformer works on as only, ac change in magnitude as well as in direction.
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A2Z-ELECTROMAGNETIC INDUCTION-Section B - Assertion Reasoning
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  3. Asseration: A metal piece and a non-metal (stone) piece are dropped fr...

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  4. Asseration: A transformer cannot work on dc supply. Reason: there is...

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  6. Asseration: The magnetic flux through a loop of conducting wire of a f...

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  7. Asseration: An emf is induced in a along solenoid by a bar magnet that...

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  8. Asseration:Lenz's law violates the principle of conservation of energy...

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  10. Statement I: An eletric lamp is connected in series with a long soleno...

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  11. Asseration: The self-inductance (L) is given by phi (magnetic flux) =...

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  12. Asseraton: The work done by a charge in a closed (induced) current car...

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  13. Asseration:Lenz's law violates the principle of conservation of energy...

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  14. Asseration: The growth of current in (RL) circuite is uniform. Reas...

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  15. Asseration: Magnetic flux linked to closed surface is zero. Reason: ...

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  16. Asseration: Time dependent magnetic field generates electric field. ...

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  17. Asseration: Induced potential across a coil and therefore induced curr...

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  18. Asseration: When two coils are wound on each other, the mutual inducti...

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  19. Asseration: The induced emf in a conducting loop of wire will be non z...

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  20. Asseration: The direction of induced e.m.f. is always such as to oppos...

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