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Q1. | Higher the Q of a series circuit |

A. | Broader its resonance curve [Wrong Answer] |

B. | Narrower its pass band [Correct Answer] |

C. | Greater its band width [Wrong Answer] |

D. | Sharper its resonace [Wrong Answer] |

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

⇒ Which of the following statement is incorrect ?

Resistance is a passive element

Voltage source is an active element

Conductance is a passive element

Current source is a passive element

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

Overloading of transformers

Overloading of altemators

Reduction in power losses

Reduction in load handling capacity of electrical system

⇒ In an A.C. circuit, a low value of kVAR compared with kW indicates

Low efficiency

High power factor

Unity power factor

Maximum Load current

⇒ A resonance curve for a series circuit is a plot of frequency versus

Current

Voltage

Impedance

Reactance

⇒ In a series resonant circuit, the impedance of the circuit is

Minimum

Maximum

Zero

None of the above

⇒ The power consumed in a circuit element will be least when the phase difference between the current and voltage

180°

90°

60°

0°

⇒ The shunt element of prototype high pass filter is

Resistive

Inductive

Capacitive

Combination of L and C

⇒ The time period of a sine wave is 1/50 seconds. Its frequency is

20 Hz

30 Hz

40 Hz

50 Hz

⇒ The value of operator j2 is equal to

Zero

+1

-1

√-1

⇒ The capacitors for power factor correction are rated in terms of

Voltage

VA

kW

kVAR

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

Square wave

Sine wave

Half wave rectifier sine wave

Triangular wave

⇒ The dual of a link is

Twig

Node

Loop

Tree branch

⇒ A network is said to be non-linear if it does not satisfy

Homogeneity condition

Superposition condition

Both (A) and (B)

Associative condition

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

Unity

Lagging

Leading

Lagging or leading

⇒ Power factor of an inductive circuit is usually improved by connecting capacitor to it in

Parallel

Series

Either (A) or (B)

None

⇒ In a parallel R-C circuit, the current always ____the applied voltage.

Lags

Leads

Remains in phase with

None of the above

⇒ For 200 V r.m.s. value triangular wave, the peak voltage will be

200 V

222 V

282 V

346 V

⇒ The negative maximum of a cosine wave occurs at

30

45

90

180

⇒ At very low frequencies a series R-C circuit behaves as almost purely____

Resistive

Inductive

Capacitive

None of these

⇒ The form factor of D.C. supply voltage is always

Zero

0.5

Unity

Infinite

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

Resistance only

Inductance only

Capacitance only

None of the above

⇒ The r.m.s. value and mean value is the same in the case of

Triangular wave

Sine wave

Square wave

Half wave rectified sine wave

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

0.5A

1.5 A

2A

3A

⇒ The shunt element in a band pass filter is

Capacitive

Inductive

Parallel combination of L and C

Series combination of L and C

⇒ Two waves of the same frequency have opposite phase when the phase angle between them is

360°

180°

90°

0°

⇒ The period of a wave is

The same as frequency

Time required to complete one cycle

Expressed in amperes

None of the above

⇒ A coil with large distributed capacitance has a

High resonant frequency

Low resonant frequency

Low quality factor

Low resistance

⇒ In a series resonant circuit, the impedance of the circuit is

Maximum

Minimum

Zero

Infinite

⇒ The power factor at resonance in RLC parallel circuit is

Zero

0.08 Lagging

0.8 Leading

Unity

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

Transistor

Heater coil

Diode

Electric arc with unlike electrodes