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An e.m.f. of 5 volt is produced by a sel...

An e.m.f. of 5 volt is produced by a self inductance, when the current changes of a steady rate from 3A to 2A in1 millisecond. The value of self inductance is

A

zero

B

5H

C

5000H

D

5mH

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CHETANA PUBLICATION-Electromagnetic Induction-EXERCISE
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  8. Two pure inductors each of self inductance L are connected in parallel...

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  9. The self inductance of a coil is 5 H, a current of 1 A change to 2 A w...

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  10. A straight conductor of length 0.4 m is moving with a velocity of 7m//...

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  11. A metal rod of length lm, rotates about its one end in a plane at righ...

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  12. The magnetic flux through a coil is 5 xx10^-4 Wb at time t = 0. It red...

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  13. Dimensional formula of magnetic flux is

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  14. A magnetic field of 2 xx 10^-2Wb//m^2actsat the right angles to a coil...

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  15. A rectangular coil of 25 turns, area of 25 cm^2 and resistance of 4 oh...

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  16. The magnetic flux in a coil is phi = 4t^2 + 4t + 4. What is the magnit...

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  17. A rod of length l is rotated about its one end, perpendicular to a mag...

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

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  19. A 100 mH coil carries 1 A current .Energy stored in its magnetic field...

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