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Define power factor...

Define power factor

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CHETANA PUBLICATION-AC CIRCUITS-Exercise
  1. Define power factor

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  2. A LCR series circuit has the impedance of 240 ohm. If R = 120 Omega, f...

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  3. In LCR series circuit a voltmeter is connected in turn acrosstheendsof...

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  4. What inductive reactance will a 1/piH inductor have at the 50 Hz frequ...

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  5. What is the period of a 50 Hz voltage wave?

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  6. An inductor draws 5A of current at 230 V, 50 Hz. Find the value of ind...

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  7. A capacitor draws 10 Aof current at 230 V, 50 Hz. Find the capacitive ...

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  8. A circuit connected to a 200 V supply takes a current of 4.8 A. If the...

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  9. A voltage e = 50 sqrt2 sin 314.0 t volt is applied across a 10 ohm res...

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  10. A voltage e = 50 sqrt2 sin 314.0 t volt is applied across a 10 ohm res...

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  11. A voltage e = 50 sqrt2 sin 314.0 t volt is applied across a 10 ohm res...

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  12. A 2H inductor of negligible resistance is connected to a 50 V, 50 Hz p...

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  13. A 2H inductor of negligible resistance is connected to a 50 V, 50 Hz p...

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  14. A peak value of alternating voltage is 494.97 V. Find reading on voltm...

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  15. In a purely inductive ac circuit L = 25 mH and peak voltage of ac supp...

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  16. An inductor has a reactance of 125.6 Omega at 200 Hz. What is the indu...

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  17. An alternating e.m.f. given by e = 50 sin 314t is applied to a pure re...

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  18. An alternating e.m.f. given by e = 50 sin 314t is applied to a pure re...

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  19. An alternating e.m.f. given by e = 50 sin 314t is applied to a pure re...

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  20. An alternating e.m.f. given by e = 50 sin 314t is applied to a pure re...

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  21. A 60 watt lamp is connected to an alternating e.m.f. of peak value 230...

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