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Eddy currents do not produce...

Eddy currents do not produce

A

damping

B

heating

C

sparking

D

loss of energy

Text Solution

Verified by Experts

The correct Answer is:
C
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Assertion : If a varying current is flowing through a machine of iron, eddy currents are produced. Reason : change in the magnetic flux thro' an area causes eddy currents.

Assertion: Eddy current is produced in any metallic conductor when magnetic flux is changed aroundn it. Reason: Electric potential determines the flow of charges

Assertion : A metallic surface is moved in and out in magnetic field then emf is induced in it. Reason : Eddy current will be produced in a metallic surface moving in and out of magnetic field.

NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
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  2. Eddy currents are developed, when

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  3. Eddy currents do not produce

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  4. plane of eddy currents make an angle with the plane of magnetic lines ...

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  5. Production of induced emf in a coil due to the changes of current in t...

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

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  7. The coefficient of self inductance of a coil is

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  8. The inductance of a coil depends on

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  9. In SI, Henry is the unit of

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  10. If an emf of 1 volt is induced in the coil due to the change of curren...

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  11. The self inductance of a coil does not depend upon

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  12. The self inductance of a coil does not depend upon

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  13. The coils in resistance boxes are made from doubled insulated wire to ...

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  14. If the number of turns per units length of a coils of solenoid is doub...

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  15. A coil of insulated wire is connected to a battery. If it is connected...

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  16. If the rate of change of current of 1A/s in one coil, induced an emf o...

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  17. If the rate of change of current in primary coil is doubled, the induc...

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  18. Mutual induction is the produced of induced emf in a coil due to the c...

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  19. The mutual inductance depends upon

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  20. The self inductance of a coil is a measure of

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