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The peak value of 220 volts of ac mainsi...

The peak value of 220 volts of ac mainsis

A

155.6 volts

B

220.0 volts

C

311.0 volts

D

440 volts

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CHETANA PUBLICATION-AC CIRCUITS-Exercise
  1. In an ac circuit, V and I are given by V = 100 sin (100t) volts,I =100...

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  2. The frequency of ac mainsin India is

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  3. The peak value of 220 volts of ac mainsis

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  4. If a current I given by Io sin (omega-pi/2) flowsin an ac circuit acro...

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  5. In an ac circuit, the current is given by I = 5sin ( 100t-pi/2)and the...

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  6. The frequency of an alternating voltage is 50 cycles//sec and its ampl...

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  7. The ratio of peak value and r.m.s. value of an alternating current is

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  8. The power factor of LCR circuit at resonance is

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  9. Power delivered by the source of the circuit becomes maximum, when

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  10. In a circuit containing an inductance of zero resistance, the e.m.f. o...

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  11. An alternating e.m.f. is applied to purely capacitive circuit. The pha...

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  12. An alternating current of frequency 'f isflowing in a circuit containi...

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  13. The average power dissipation in a pure capacitance in ac circuit is

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  14. An alternating voltage e = 200 sqrt2 sin (100 t) is connected to a 1mi...

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  15. L, C and R denote inductance, capacitance and resistance respectively....

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  16. What will be the phase difference between virtual voltage and virtual ...

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  17. Power factor is maximum in an LCR circuit when

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  18. The capacity of a pure capacitor is1Farad. In DC circuits, its effecti...

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  19. A 220 V, 50 Hz as source is connected to an inductance of 0.2 H and a ...

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  20. For high frequency, a capacitor offers

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