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An a.c. consists of a resistor of 10W, i...

An a.c. consists of a resistor of 10W, inductor of 0.1 H and capacitor of 50 mF in series across a 50 V, 50 Hz supply. Determine power factor of the circuit.

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An a.c. circuit consists of a resistor of 10 Omega , inductor of 0.1 H and capacitor of 50 mu F in series across a 100 V, 50 Hz supply. Determine current in the circuit .

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A 60 mu F capacitor is connected to a 110 V , 60 Hz a.c. supply. Determine the rms value of current in the circuit

An inductor of 500 mH is connected across a 100 V,50 Hz suppy. Calculate its reactance.

An A.C. circuit consists of a resistor of 5 Omega and inductor of 10 mH connected in series with 50 V, 50 Hz supply. What capacitance should be connected in series with the circuit to obtain maximum current? What will be the maximum current?

A circuit containing a 80 mH inductor and a 60 mu F capacitor in series is connected to a 230 V, 50 Hz supply. The resistance of the circuit is negligible. What is the average power transferred to the inductor ?

A circuit containing a 80 mH inductor and a 60 mu F capacitor in series is connected to a 230 V, 50 Hz supply. The resistance of the circuit is negligible. What is the average power transferred to the capacitor ?

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A circuit containing a 80 mH inductor and a 60 mu F capacitor in series is connected to a 230 V, 50 Hz supply. The resistance of the circuit is negligible. Suppose the circuit in above question has a resistance of 15 Omega . Obtain the average power transferred to each element of the circuit and the total power absorbed.

A circuit containing a 80 mH inductor and a 60 mu F capacitor in series is connected to a 230 V, 50 Hz supply. The resistance of the circuit is negligible. Obtain the current amplitude and rms values.

CHETANA PUBLICATION-AC CIRCUITS-Exercise
  1. An A.C. voltage of r.m.s. value IV is applied to a parallel combinatio...

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  2. A capacitor is used with an A.C. source of 110 V and frequency 50 Hz. ...

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  3. An a.c. consists of a resistor of 10W, inductor of 0.1 H and capacitor...

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  4. An A.C. circuit consists of inductor of inductance 125 mH connected in...

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  5. In an ac circuit, V and I are given by V = 100 sin (100t) volts,I =100...

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  6. The frequency of ac mainsin India is

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  7. The peak value of 220 volts of ac mainsis

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

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

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

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

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  12. The power factor of LCR circuit at resonance is

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

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

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

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

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

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

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

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

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