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An L-C-R series circuit with 100Omega re...

An `L-C-R` series circuit with `100Omega` resistance is connected to an `AC` source of `200V` and angular frequency `300rad//s`. When only the capacitance is removed, the current lags behind the voltage by `60^@`. When only the inductance is removed the current leads the voltage by `60^@`. Calculate the current and the power dissipated in the `L-C-R` circuit

A

2A, 300 W

B

1A, 400 W

C

3A, 100 W

D

2A, 400 W

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The correct Answer is:
D
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MOTION-ALTERNATING CURRENT-EXERCISE - 2 (LEVEL - I)
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  3. If instantaneous value of current is I = 10 sin (314 t) A, then the av...

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  8. A series LCR circuit is tuned to resonance. The impedance of the circu...

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  9. A capacitor C with a charge Q(0) is connected across an inductor throu...

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  10. When 100" volt" dc is applied across a coil, a current of 1 amp flows ...

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  11. A series circuit consists of a resistance, inductance and capacitance....

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  12. Power factor of an L-R series circuit is 0.6 and that of a C-R series ...

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  13. The potential difference V across and the current I flowing through an...

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  14. A voltage of peak value 283 V and varying frequency is applied to seri...

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  15. The power factor of the circuit in fig. is 1//sqrt(2). The capacitance...

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  16. An L-C-R series circuit with 100Omega resistance is connected to an AC...

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  17. A current of 4A flows in a coil when connected to a 12V DC source. If ...

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  18. A capacitor C=2muF and an inductor with L = 10 H and coil resistance 5...

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  19. Which of the following options are correct :

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