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Give any two applications of resonance....

Give any two applications of resonance.

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MODERN PUBLICATION-ALTERNATING CURRENT -Revision Exercises ( Very short Annwer Qustion )
  1. Give the expression for the phase angle in an AC circuit containing re...

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  2. What is a series resonance circuit ?

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  3. Give any two applications of resonance.

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

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

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  6. What is the significance of resonant circuits ?

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

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  8. If L and R denote inductance and resistance , respectively , then the ...

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  9. Differentiate between AC and DC by giving two points .

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  10. How quality factor Q depends on the resistance of the circuit ?

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  11. How the quality factor effects the bandwidth and sharpness of resonanc...

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  12. How the quality factor effects the selectivity of the circuits ?

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  13. What do you mean by power in an Ac circuit ?

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  14. Give the expression for average power dissipated in a resistor over a ...

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  15. What is the power factor of a circuit having a pure resistance only?

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  16. What is the power factor of an A circuit containing inductor or capac...

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  17. The power factor of an AC circuit is 0.5 . What will be the phase diff...

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  18. Define the term 'wattles current'.

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  19. What is the idle component or wattless component of AC ?

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  20. Why inductors or capacitors are used in AC circuits for controlling cu...

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