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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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⇒ What inductance will give the same reactance as a capacitor of 2 µF when both are at 50 Hz?

5 H

10 H

15 H

20 H

⇒ Two sinusoidal quantities are said to be phase quadrature, when their phase difference is

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90°

⇒ In a pure resistive circuit

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⇒ In A.C. circuit the power curve is a sine wave having

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⇒ The negative maximum of a cosine wave occurs at

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⇒ For a sine wave with peak value E

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0.707 E

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0.434 E

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⇒ The dual of a link is

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