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What is increase in step-down transforme...

What is increase in step-down transformer?

A

current

B

voltage

C

power

D

frequency

Text Solution

Verified by Experts

The correct Answer is:
A
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RESONANCE-ELECTROMAGNETIC INDUCTION-Exercise
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  2. Area of a coil is 0.16m^2. If the magnetic field through it changes fr...

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  3. What is increase in step-down transformer?

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

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

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

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

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

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

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  10. Self-inductance of a solenoid depend on-

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

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

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

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  14. Energy is stored in the choke coil in the form of

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  15. The self-inductances of two identical coils are 0.1H. They are wound o...

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  16. The magnetic flux through a circuit of resistance R changes by an amou...

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  17. A conducting circular loop is placed in a uniform magnetic field, B=0....

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  18. Which of the following is proportional to energy density in magnetic f...

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