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A resistor R, an inductor L and a capaci...

A resistor `R`, an inductor `L` and a capacitor `C` are connected in series to a source of frequency `n`. If the resonant frequency is `n_(r)`, then the current lags behind voltage when

A

`omega lt omega_(0)`

B

`omega gtomega_(0)`

C

`omega = omega_(0)`

D

`omega = omega_(0)`

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The correct Answer is:
B
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CP SINGH-ALTERNATING CURRENT-EXERCISES
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  2. In anLCR circuit .

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  3. A resistor R, an inductor L and a capacitor C are connected in series ...

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  4. An LCR series circuit containing resistance of 20omega has angular res...

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  5. Power dissipated in an L-C-R series circuit connected to an AC source ...

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  6. A coil of inductive reactance 31 Omega has a resistance of 8 ohm. It i...

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

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  8. In the circuit shown in figure the voltage in L and in C are .

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  9. A capacitor of 10muF and an inductor of 1 H are joined in series An ac...

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  10. The reactance of a circuit is zero It is possible that the circuit con...

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  11. Which of the following plots may represent the reactance of a series L...

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  12. In an a.c. Circuit the voltage applied is E=E(0) sin (omega)t. The res...

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  13. In an AC circuit, V and I are given by V=100sin(100t)volts, I=100sin(1...

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  14. The power in ac circuit is given by P=E(rms)I(rms)cosphi. The vale of ...

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  15. The potential differences V and the current i flowing through an instr...

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  16. In the given LR circuit the source has angular frequency omega The pow...

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  17. An ac source is connected across a resistance of 10 Omega The power di...

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  18. In an AC circuit, the power factor

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  19. The average power dissipated in a pure inductor L carrying an alternat...

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  20. An AC source rated 100 V (rms) supplies a current of 10 A(rms) to a ci...

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