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Draw a graph between voltage and current...

Draw a graph between voltage and current in case of an AC circuit containing only capacitor .

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What is the phase relationship between voltage and current in an AC circuit containing only resistance ?

The phase difference between voltage and current in an AC circuit containing a resistor and an inductor in series is phi_1 . When the inductor is replaced by a capacitor , the phase difference is changed to phi_2 . The phase difference when all the three elements are connected in series with the same AC source will be

MODERN PUBLICATION-ALTERNATING CURRENT -Revision Exercises ( Very short Annwer Qustion )
  1. How inductive reactance depends on the frequency of AC ?

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  2. What is the phase relationship between voltage and current in case of ...

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  3. Draw a graph between voltage and current in case of an AC circuit cont...

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  4. Define capacitor reactance. Write its SI units.

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  5. How capacitive reactance depends on the frequency of AC ?

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  6. What is the value of capacitive reactance (X(C)) in DC circuits ?

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  7. Plot a graph showing variation of capacitive reactance with the change...

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  8. Find the reactance of a capacitor having a capacitance ((1)/(pi))muF a...

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  9. How the reactance of an inductor depends on frequency ?

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  10. Write the mathematical form of impedance (Z) of an AC circuit .

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  11. If Z= sqrt(R^(2)+(X(C)-X(L))^(2)) then give the phase relationship of...

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  12. In a series LCR circuit, V(L) = V(C ) != V(R ). What is the value of p...

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  13. What is inductance dominated circuit ?

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  14. Give the expression for the phase angle in an AC circuit containing re...

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  15. What is a series resonance circuit ?

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  16. Give any two applications of resonance.

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  17. What happens to the impedance and current amplitude at resonant freque...

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  18. Can resonance phenomenon be exhibited in a circuit containing L and R ...

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  19. What is the significance of resonant circuits ?

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  20. The Q - factor of a resonant circuit is equal to

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