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An inductor of reactance 10Ω and resista...

An inductor of reactance 10Ω and resistance 10Ω are connected in series and the combination is connected to 200V, 50Hz supply. Find (i) current through the circuit and (ii) inductance of the coil.

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BINA LIBRARY-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-EXERCISE
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  2. Name the two factors on which the magnitude of frictional force depend...

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  3. An inductor of reactance 10Ω and resistance 10Ω are connected in serie...

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  4. A capacitor and resistor are connected in series with an ac source. If...

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  5. Give two methods by which friction is reduced in the wheels of the car...

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  6. A source of alternating emf of 220 V and 50 Hz is connected in series ...

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  7. A rectangular coil having 60 turns and area of 0.4m^2 is held at rig...

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  8. sinusoidal voltage V = 200 sin 314 t is applied to a resistor of 10Ω. ...

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  9. A 3muF capacitor is connected to a 220V, 50 Hz a.c. source. Calculate ...

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  10. A capacitor of 50µF, a resistor of 102 and an inductor L are in series...

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  11. The turns-ratio of a step up transformer is 1:10 and a current of 1.5 ...

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  12. Calculate current drawn by the primary of a transformer, which steps d...

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  13. When current changes from 3A to 2A in one millisecond a coil produces ...

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  14. The co-efficient of mutual inductance when magnetic flux changes by 2 ...

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

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

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  17. The average power dissipation in a pure capacitor in ac circuit is

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

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

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

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