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CHHAYA PUBLICATION-ALTERNATING CURRENT -EXERCISE (Very Short Answer Type)
- What is the reactance of pure resistances in an ac circuit?
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- If an LCR circuit is connected to a dc source , what will be the curre...
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- What will be the reactance if a current of frequency f flows through a...
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- What will be the reactance if a current of frequency f flows through a...
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- If the frequency of an circuit is increased, how would the reactance o...
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- If the frequency of an circuit is increased, how would the reactance o...
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- In an LR circuit, the alternating currentthe alternating emf by a cert...
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- In a CR circuit, the alternating current the alternating emf by a cert...
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- In an alternating series LCR circuit ,what is the phase difference bet...
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- When does LCR series circuit have minimum impedance?
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- What is the reactance of a capacitor of capacitance C at fHz?
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- What is the power factor of a circuit having a pure resistance only?
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- What is the power dissipated in an ac circuit in which voltage and cur...
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- What is the natural frequency of an LC oscillator?
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- Indicate the change in emf produced by an ac dynamo in the following c...
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- Indicate the change in emf produced by an ac dynamo in the following c...
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- If the area of the coil of an ac dynamo is halved, how would the emf g...
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- If the angular velocity of coil of an ac dynamo is doubled ,how would ...
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- By what factor would the output voltage of an ac generator change, if ...
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- The turns ratio of an ideal transformer is 4:1 what will be the curren...
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