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The mutual inductance of an induction co...

The mutual inductance of an induction coil is 5H. In the primary coil the current reduces from 5A to 0 in `10^(-3)s`. What is the induced emf in the secondary coil?

A

2500V

B

25000V

C

2510V

D

zero

Text Solution

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The correct Answer is:
A
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BINA LIBRARY-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-EXERCISE
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  2. The co-efficient of mutual inductance when magnetic flux changes by 2 ...

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  3. The mutual inductance of an induction coil is 5H. In the primary coil ...

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  4. A coil of wire of radius r has 600 turns and a self inductance of 108 ...

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  6. The average power dissipation on a pure inductor L in an ac circuit is

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  7. An oscillator circuit consists of an inductance of 0.5 mH and capacito...

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  8. A transformer has 2100 tums in primary and 4200 turns in secondary. An...

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  10. Lenz's law is a consequence of the law of conservation of

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  11. The phenomenon of electromagnetic induction was discovered by

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  17. Energy dissipates in LCR circuit in

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  18. The working of a dynamo is based on the principle of

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  19. The average power dissipation on a pure inductor L in an ac circuit is

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  20. A capacitor of capacity C has reactance X. If the capacitance and freq...

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