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Q1. | All the rules and laws of D.C. circuit also supply to A.C. circuit containing |

A. | Capacitance only [Wrong Answer] |

B. | Inductance only [Wrong Answer] |

C. | Resistance only [Correct Answer] |

D. | All above [Wrong Answer] |

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

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

Resistance only

Inductance only

Capacitance only

None of the above

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

C only

L only

R only

All of the above

⇒ The dual of a link is

Twig

Node

Loop

Tree branch

⇒ Which of the following circuit component opposes the change in the circuit voltage

Inductance

Capacitance

Conductance

Resistance

⇒ Power factor of the following circuit will be unity

Inductance

Capacitance

Resistance

Both (A) and (B)

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

Voltage

Current

Power

Phase angle

⇒ 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

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

Resistive

Inductive

Capacitive

None of these

⇒ The frequency of domestic power supply in India is

200 Hz

100 Hz

60 Hz

50 Hz

⇒ 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}

⇒ 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

⇒ The reflection co-efficient of the simplest standing wave is

+1

1

Zero

Infinity

⇒ 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

⇒ For the same peak value which of the following wave will have the highest r.m.s. value ?

Square wave

Half wave rectified sine wave

Triangular wave

Sine wave

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

Current

Voltage

Impedance

Reactance

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

R/C

RC

^{2}

RC

R

^{2}C

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

Voltage

VA

kW

kVAR

⇒ Form factor is the ratio of

Average value/r.m.s. value

Average value/peak value

r.m.s. value/average value

r.m.s. value/peak value

⇒ A coil with large distributed capacitance has a

High resonant frequency

Low resonant frequency

Low quality factor

Low resistance

⇒ The value of operator j2 is equal to

Zero

+1

-1

√-1

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

Transistor

Heater coil

Diode

Electric arc with unlike electrodes

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

200 V

222 V

282 V

346 V

⇒ The unit of frequency of an A.C. signal is

Cycle

Cycle-sec

Hertz

Hertz/sec

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

Demand

Load

Power

Form

⇒ The power factor of incandescent bulb is

0.8 lagging

0.8 leading

Unity

Zero

⇒ In A.C. circuit laminated iron is invariably used in order to

Reduce eddy current loss

Increase heat radiation

Make assembly cheap and easier

Reduce circuit permeability

⇒ The power taken by a 3-Φ load is given by the expression

√3 V

_{L}I

_{L}sinΦ

√3 V

_{L}I

_{L}cosΦ

3 V

_{L}I

_{L}sinΦ

3 V

_{L}I

_{L}cosΦ

⇒ 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 and mean value is the same in the case of

Triangular wave

Sine wave

Square wave

Half wave rectified sine 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