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What is the significance of resonant cir...

What is the significance of resonant circuits ?

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Resonant circuits are helpful in the tuning meachanism of ratio and T.V sets.
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MODERN PUBLICATION-ALTERNATING CURRENT -Revision Exercises ( Very short Annwer Qustion )
  1. What happens to the impedance and current amplitude at resonant freque...

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

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  3. What is the significance of resonant circuits ?

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

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

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

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

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

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

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

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

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

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

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

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  15. Define the term 'wattles current'.

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

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

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  18. What are undamped and damped oscillations ?

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  19. What are undamped and damped oscillations ?

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  20. What is the dimensional formula of sqrt(LC) ?

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