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The current passing trhoguh a 20 H induc...

The current passing trhoguh a 20 H inductor changes form 9 A to 8 A in `20 xx 10^-3`s. What will be the value fo self induced e.m.f.?

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MODERN PUBLICATION-ELECTROMAGNETIC INDUCTION-EXERCISE
  1. The self inductance of an inductor having 100 turns is 20 mH. Calculat...

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  2. A coil has an inductance of 1.5 xx 10^-2 H. Calculate the e.m.f. induc...

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  3. The current passing trhoguh a 20 H inductor changes form 9 A to 8 A in...

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  4. An e.m.f. of 250 muV is induced in a coil, when current in it changes ...

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  5. A 5 henry inductor carries a steady current of 2 ampere. How can a 50 ...

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  6. A coil has a self inductance of 10 mH. What is the maximum magnitude o...

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  7. A long solenoid of 10 turns / cm has a small loop of area 1 sq. cm pla...

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  8. A coil has inductance of 5 henry and resistance 20 ohm. An e.m.f. of 1...

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  9. What will be the coefficient of mutual inductance of a pair of coil if...

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  10. If the coefficient of mutual induction of primary and secondary of an ...

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  11. An e.m.f 0.5 V is developed in the secondary coil, when current in the...

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  12. An e.m.f. of 50 millivolt is induced in a coil, when the current int e...

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  13. A conducting wire of 100 turns is wound over 1 cm near the centre of a...

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  14. An air-cored solenoid is of length 0.3 m area of cross-section 1.2 xx ...

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  15. A closely wound rectangular coil of 200 turns and size 0.3 m xx 0.1m i...

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  16. A rectangular coil 25 cm xx 10 cm and having 700 turns rotates about a...

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  17. A rectangular coil of dimensions 40 cm xx25 cm having 1000 turns rotat...

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  18. A rectangular coil of dimensions 40 cm xx25 cm having 1000 turns rotat...

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  19. A rectangular coil of dimensions 40 cm xx25 cm having 1000 turns rotat...

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  20. An a.c. generator consists of a coil of 2,000 turns each of area 80 cm...

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