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What changes are observed in the rms val...

What changes are observed in the rms value of an ac with changes in the frequency?

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An ac source is connected in series with an inductor of 5H and a resistor of 1000Omega . The rms value of voltage of the source is 100 V and the frequency of the source is 50cps. What is the rms value of the current in the circuit? What is the phase difference of the voltage and the current in the circuit? What is the power dissipated in the circuit?

CHHAYA PUBLICATION-ALTERNATING CURRENT -EXERCISE (Very Short Answer Type)
  1. After what time will the direction of current is an electric supply li...

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  2. An alternating source of emf E=E0sinomegat and of negligible resistanc...

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  3. What changes are observed in the rms value of an ac with changes in th...

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  4. What is the rms value of an alternating current , I=I0sinomegat?

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  5. What is the ratio between the peak value and the average value of a si...

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  6. The instantaneous current in an ac circuit is I=6sin314tA. What is the...

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  7. An alternating current is I=cos 100 pitA. Find out its frequency, peak...

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  8. Why a dc voltmeter and dc ammeter cannot read ac?

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  9. What will be the phase difference between current and emf when 220 V, ...

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  10. What is the unit of impedance?

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  11. What is the reactance of pure resistances in an ac circuit?

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  12. If an LCR circuit is connected to a dc source , what will be the curre...

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  13. What will be the reactance if a current of frequency f flows through a...

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  14. What will be the reactance if a current of frequency f flows through a...

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  15. If the frequency of an circuit is increased, how would the reactance o...

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  16. If the frequency of an circuit is increased, how would the reactance o...

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  17. In an LR circuit, the alternating currentthe alternating emf by a cert...

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  18. In a CR circuit, the alternating current the alternating emf by a cert...

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  19. In an alternating series LCR circuit ,what is the phase difference bet...

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  20. When does LCR series circuit have minimum impedance?

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