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Q1. | The series element of a band stop filter is |

A. | Capacitive [Wrong Answer] |

B. | Inductive [Wrong Answer] |

C. | Parallel combination of L and C [Correct Answer] |

D. | Series combination of L and C [Wrong Answer] |

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

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

1/2

1/ √2

√2

2

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

Impedance

Susceptance

Quality factor

Selectivity

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

Square wave

Sine wave

Half wave rectifier sine wave

Triangular wave

⇒ The double energy transient occur in the

Purely inductive circuit

R-L circuit

R-C circuit

R-L-C circuit

⇒ 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 ?

50V

82.8V

100V

173.2 V

⇒ The time constant of a series R-C circuit is given by

R/C

RC

^{2}

RC

R

^{2}C

⇒ The period of a wave is

The same as frequency

Time required to complete one cycle

Expressed in amperes

None of the above

⇒ The shunt element of prototype high pass filter is

Resistive

Inductive

Capacitive

Combination of L and C

⇒ Power factor of the following circuit will be zero

Resistance

Inductance

Capacitance

Both (B) and (C)

⇒ Capacitive reactance is more when

Capacitances is less and frequency of supply is less

Capacitance is less and frequency of supply is more

Capacitance is more and frequency of supply is less

Capacitance is more and frequency of supply is more

⇒ For the same peak value, which of the following wave has the least mean value ?

Half wave rectified sine wave

Triangular wave

Sine wave

Square wave

⇒ When an alternating current passes through an ohmic resistance the electrical power converted into heat is

Apparent power

True power

Reactive power

None of the above

⇒ The power factor of incandescent bulb is

0.8 lagging

0.8 leading

Unity

Zero

⇒ Skin effect occurs when a conductor carries current at____ frequencies.

Very low

Low

Medium

High

⇒ The best place to install a capacitor is

Very near to inductive load

Across the terminals of the inductive load

Far away from the inductive load

Any where

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

Maximum

Minimum

Zero

Infinite

⇒ For a sine wave with peak value E

_{max}the average value is

0.636 E

_{max}

0.707 E

_{max}

0.434 E

_{max}

1.414 E

_{max}

⇒ A parallel resonant circuit can be used

As a high impedance

To reject a small band of frequencies

Both (A) and (B)

To amplify certain frequencies

⇒ The dual of a link is

Twig

Node

Loop

Tree branch

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

Current

Voltage

Impedance

Reactance

⇒ The power factor at resonance in RLC parallel circuit is

Zero

0.08 Lagging

0.8 Leading

Unity

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

0.707 I

_{max}

0.636 I

_{max}

0.318 I

_{max}

Zero

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

Lags

Leads

Remains in phase with

None of the above

⇒ The transient currents are associated with the

Changes in the stored energy in the inductors and capacitors

Impedance of the current

Applied voltage to the circuit

Resistance of the circuit

⇒ Form factor for a sine wave is

1.414

0.707

1.11

0.637

⇒ The voltage of domestic supply is 220 V. This figure represents-

Mean value

r.m.s. value

Peak value

Average value

⇒ 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

200

200/π

40/π

⇒ The product of apparent power and cosine of the phase angle between circuit voltage and current is

True power

Reactive power

Volt-amperes

Instantaneous power

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

Parallel

Series

Either (A) or (B)

None

⇒ The frequency of domestic power supply in India is

200 Hz

100 Hz

60 Hz

50 Hz