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What is the ratio between the peak value...

What is the ratio between the peak value and the average value of a sinusoidal emf?

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The correct Answer is:
`[pi/2]`
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CHHAYA PUBLICATION-ALTERNATING CURRENT -EXERCISE (Very Short Answer Type)
  1. What changes are observed in the rms value of an ac with changes in th...

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

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

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

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

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

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

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  8. What is the unit of impedance?

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

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

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

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

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

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

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

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

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

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  18. When does LCR series circuit have minimum impedance?

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  19. What is the reactance of a capacitor of capacitance C at fHz?

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

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