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Q1. | In an A.C. circuit I sin Φ is called |

A. | Active component [Wrong Answer] |

B. | Wattless component [Correct Answer] |

C. | Any of the above [Wrong Answer] |

D. | None of these [Wrong Answer] |

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

⇒ The safest value of current the human body can carry for more than 3 second is

4 mA

9 mA

15 mA

25 mA

⇒ The r.m.s. value of pure cosine function is

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0.707 of peak value

Same as peak value

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⇒ The power factor at resonance in RLC parallel circuit is

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⇒ The ratio of active power to apparent power is known as ____ factor.

Demand

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⇒ The negative maximum of a cosine wave occurs at

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180

⇒ In an A.C. circuit power is dissipated in

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Inductance only

Capacitance only

None of the above

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

Double the frequency of voltage

Same frequency as that of voltage

Half the frequency of the voltage

None of these

⇒ The shunt element of prototype high pass filter is

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Inductive

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Combination of L and C

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⇒ The r.m.s. value of a half-wave rectified current is 100 A. Its value for full-wave rectification would be____ amperes.

141.4

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⇒ Poor power factor results in all of the following EXCEPT.

Overloading of transformers

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

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Inductance only

Resistance only

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⇒ The power factor of a D.C. circuit is always

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Greater than Unity

Zero

⇒ In an A.C. circuit I sin Φ is called

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None of these

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Only at the time of turning on

At the time of turning on and off

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⇒ For a sine wave with peak value I

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_{max}

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_{max}

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⇒ The dual of a loop is

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⇒ In a circuit containing R, L and C, power loss can take place

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R only

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⇒ Selectivities of different resonance circuits are compared in terms of their

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⇒ Power factor of electric bulb is

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⇒ For the full wave rectified sine wave the r.m.s. value is

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Capacitance is more and frequency of supply is less

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