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Q1. | The power factor of a series R-L-C circuit at its half-power points is |

A. | Unity [Wrong Answer] |

B. | Lagging [Wrong Answer] |

C. | Leading [Wrong Answer] |

D. | Lagging or leading [Correct Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ Power factor of the following circuit will be unity

Inductance

Capacitance

Resistance

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⇒ How much r.m.s. current does a 300 W. 200V bulb take from the 200 V, 50 Hz power line ?

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1.5 A

2A

3A

⇒ The ratio of the bandwidth to the resonance frequency is called the____ of the circuit.

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Susceptance

Quality factor

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⇒ Power factor of electric bulb is

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Leading

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⇒ At half power points of a resonance curve, the current is____ times the maximum current.

1/2

1/ √2

√2

2

⇒ Which of the following waves has the highest value of peak factor '?

Square wave

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Half wave rectifier sine wave

Triangular wave

⇒ Higher the Q of a series circuit

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Narrower its pass band

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Sharper its resonace

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⇒ Which of the following is not a non-linear element ?

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⇒ A sine wave of voltage varies from zero to maximum of 200 V. How much is the voltage at the instant of 30° of the cycle ?

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⇒ All the rules and laws of D.C. circuit also supply to A.C. circuit containing

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⇒ While drawing vector diagram for a series circuit the reference vector is

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_{max}the r.m.s. value is

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⇒ Inductance affects the direct current flow

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