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What is the quality factor (Q) in an a.c...

What is the quality factor (Q) in an a.c. circuit?

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MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. In the circuit shown below R represents an electric bulb. If the frequ...

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  2. Show in the figure, two electric circuits A and B. Calculate the ratio...

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  3. What is the quality factor (Q) in an a.c. circuit?

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  4. Three students X,Y and Z performed an experiment for studying the vari...

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  5. Three students X,Y and Z performed an experiment for studying the vari...

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  6. What is sharpness of resonance?

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  7. Why does an LC circuit produce oscillations?

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  8. Why does an LC circuit produce oscillations?

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  9. Explain briefly, how the pehnomenon of resonance in the circuit can be...

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  10. In an a.c. circuit, why is there no power consumption for an ideal ind...

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  11. Prove mathematically that the average power over a complete cycle of a...

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  12. Prove that in an a.c. circuit, an ideal capacitor does nt dissipate po...

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  13. The instantaneous current and voltage in an a.c. circuit given by I = ...

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  14. What do you mean by power factor? On what factors does it depend?

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  15. Explain the importance of power factor.

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  16. For circuit used for transporting electric power, a low power factor i...

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  17. Why power factor correction is must in heavy machinery?

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  18. Power factor can often be improved by the use of capacitor of appropri...

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  19. Which is more dangerous in use a.c. or d.c.? Explain, why?

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  20. Why 200 V a.c. more dangerous than 220 V d.c.?

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