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As shown in figure an electric lamp havi...

As shown in figure an electric lamp having coil of negligible inductance conneted in series with a capacitor and an a.c. source is glowing certain brightness. How does the brightness of the lamp change on reducing
the capacitance. Justify your answer.

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MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. An inductor L of inductance X(L) is connected in series with a bulb B ...

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  2. An inductor L of inductance X(L) is connected in series with a bulb B ...

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  3. As shown in figure an electric lamp having coil of negligible inductan...

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  4. As shown in figure an electric lamp having coil of negligible inductan...

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  5. In the circuit shown below R represents an electric bulb. If the frequ...

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

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

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

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

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  10. What is sharpness of resonance?

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  11. Why does an LC circuit produce oscillations?

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  12. Why does an LC circuit produce oscillations?

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

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

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

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

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

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

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  19. Explain the importance of power factor.

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

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