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MODERN PUBLICATION-ALTERNATING CURRENT -Revision Exercises ( Very short Annwer Qustion )
- How quality factor Q depends on the resistance of the circuit ?
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- How the quality factor effects the bandwidth and sharpness of resonanc...
02:25
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- How the quality factor effects the selectivity of the circuits ?
02:10
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- What do you mean by power in an Ac circuit ?
03:23
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- Give the expression for average power dissipated in a resistor over a ...
01:50
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- What is the power factor of a circuit having a pure resistance only?
01:42
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- What is the power factor of an A circuit containing inductor or capac...
02:59
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- The power factor of an AC circuit is 0.5 . What will be the phase diff...
05:02
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- Define the term 'wattles current'.
02:31
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- What is the idle component or wattless component of AC ?
03:11
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- Why inductors or capacitors are used in AC circuits for controlling cu...
03:34
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- What are undamped and damped oscillations ?
01:21
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- What are undamped and damped oscillations ?
01:21
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- What is the dimensional formula of sqrt(LC) ?
02:29
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- What is the natural frequency of LC circuit ? What is the reactance of...
02:23
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- What is the energy stored in a pure LC circuit ?
04:19
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- Why connot we use a.c. for electrolysis?
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- sqrt(k//m) has dimennsions of which physical quantity?
03:20
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- What is a transformer ? On what principle the transformer is based ?
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- What is a step up transformer?
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