For a linear circuita ___ voltage or current is used to calculate average power.

Question

For a linear circuita ___ voltage or current is used to calculate average power.

A. Rms

B. Peak

Correct Answer :

A. Rms

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When the temperature of copper wire is increased its resistance is

D. Zero

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Which of the following is a way of decreasing mutual inductance?

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In adding or subtracting phasor quantitiesa ___ form is the most convenient.

A. Polar

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What is the other name of relative permittivity?

Discuss this answer

Which of the following does not generally affect the value of a capacitor?

Discuss this answer

What can be used to estimate resonant frequency and to find reactance at any frequency for any value of capacitor or inductor?

Discuss this answer

The internal resistance of an ideal voltage source is

C. Zero

Discuss this answer

For a linear circuita ___ voltage or current is used to calculate average power.

A. Rms

B. Peak

Discuss this answer

What theorem is generally used in the analysis of vacuum tubes?

Discuss this answer

In Norton�s theorema the short circuit current is obtained by

Discuss this answer

Which of the following conditions is not true for a series RLCcircuit at resonance?

B. XL= XC

Discuss this answer

Which of the following is neither a basic physical law nor deliverable from one?

Discuss this answer

What is the reciprocal of quality factor?

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In an ac circuit with XL and R in seriesa the

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Another term of the quality factor of the resonant circuit.

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³Any resistance R in a branch of a network in which a current I is flowing can be replaced by a voltage equal to IR�. This states

Discuss this answer

The ratio of the flux density to the electric field intensity in the dielectric is called

Discuss this answer

The arc across a switch when it open an RL circuit is a result of the

Discuss this answer

How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate of 3 A?

Discuss this answer

Resistor with colored bands in the body

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What is the complex impedance of a circuit with an absolute resistance of 300 ?

Discuss this answer

Series resonance occurs when

A. XL= XC

B. XL= R

C. Z = R

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What is the hot resistance of a 100 Wa 220 V incandescent lamp?

A.

B.

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Which of the following is not a factor affecting capacitance oor?

Discuss this answer

The maximum power transfer theorem is used in

Discuss this answer

For greater accuracya the value of phase angle should be determined from

A. Cos

B. Tan

C. Sin

D. Sec

Discuss this answer

In a pure capacitancea

Discuss this answer

In a parallel bank with unequal branch resistances

Discuss this answer

At what frequency will the current in a series RLCcircuit reach its maximum value for an applied voltage of 15 V with R = 500 a L = 100 H and C= 0.001 F?

Discuss this answer

Which component opposes voltage change?

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Answer 1

C. Average

Answer 2

D. Instantaneous

Answer 3

A. Increased

Answer 4

B. Decreased

Answer 5

C. Constant

Answer 6

A. Moving the coils closer

Answer 7

B. Moving the coils apart

Answer 8

C. Decreasing the number of turns of either coil

Answer 9

D. Increasing the number of turns of either coil

Answer 10

B. Rectangular

Answer 11

C. Trigonometric

Answer 12

D. Exponential

Answer 13

A. Dielectric strength

Answer 14

B. Potential gradient

Answer 15

C. Breakdown voltage

Answer 16

D. Specific inductance capacity

Answer 17

A. The dielectric material used

Answer 18

B. The surface area of the plates

Answer 19

C. The thickness of the dielectric

Answer 20

D. The voltage applied to the plate

Answer 21

A. Smith chart

Answer 22

B. Reactance chart

Answer 23

C. Impedance chart

Answer 24

D. Resonance chart

Answer 25

A. Infinite

Answer 26

B. Equal to the load resistance

Answer 27

D. To be determined

Answer 28

C. Average

Answer 29

D. Instantaneous

Answer 30

A. Superposition theorem

Answer 31

B. Millman�s theorem

Answer 32

C. Thevenin�s theorem

Answer 33

D. Norton�s theorem

Answer 34

A. Opening the load terminals

Answer 35

B. Shorting the load terminals

Answer 36

C. Opening the voltage source

Answer 37

D. Shorting the voltage source

Answer 38

A. Z = jXL

Answer 39

C. The power factor is one

Answer 40

D. The magnitude of Z is

Answer 41

A. Ohm�s law

Answer 42

B. Coulomb�s law

Answer 43

C. Kirchhoff�s first law

Answer 44

D. Kirchhoff�s second law

Answer 45

A. Power factor

Answer 46

B. Reactive factor

Answer 47

C. Dissipation factor

Answer 48

D. 1/Q factor

Answer 49

A. Voltages across R and XL are in phase

Answer 50

B. Voltage across R lags the voltage across XLby 90°

Answer 51

C. Voltages across R and XL are 180° outof-phase

Answer 52

D. Voltage across R leads the voltage across XLby 90°

Answer 53

A. Figure of merit

Answer 54

B. Figure of demerit

Answer 55

C. Noise factor

Answer 56

D. Noise figure

Answer 57

A. Compensation theorem

Answer 58

B. Reciprocity theorem

Answer 59

C. Millman�s theorem

Answer 60

D. Superposition theorem

Answer 61

A. Permittivity

Answer 62

B. Field intensity

Answer 63

C. Permeability

Answer 64

D. Elasticity

Answer 65

A. Large self-induced voltage across L

Answer 66

B. Long time constant

Answer 67

C. Low resistance of the open switch

Answer 68

D. Surge of resistance

Answer 69

A. 2.592 x 105C

Answer 70

B. 2.592 x 103 C

Answer 71

C. 2.592 x 108 C

Answer 72

D. 2.592 x 1012 C

Answer 73

A. Wire-wound resistor

Answer 74

B. Carbon-composition resistor

Answer 75

C. Potentiometer

Answer 76

D. Rheostat

Answer 77

A. 0 + j 300

Answer 78

B. 300 + j 90

Answer 79

C. 0 ± j 300

Answer 80

D. 300 +j 0

Answer 81

D. Both A and C

Answer 82

A. Area of plates

Answer 83

B. Number of plates

Answer 84

C. Distance between plates

Answer 85

D. Dielectric material used

Answer 86

A. Power system

Answer 87

B. Electronic system

Answer 88

C. Refrigeration

Answer 89

D. Air conditioning

Answer 90

A. Current leads voltage by 90�

Answer 91

B. Current leads voltage by 180�

Answer 92

C. Current lags voltage by 90�

Answer 93

D. Current lags voltage by 180�

Answer 94

A. The highest R has the highest I

Answer 95

B. The lowest R has the highest V

Answer 96

C. The lowest R has the highest V

Answer 97

D. The highest R has the highest V

Answer 98

A. 503 kHz

Answer 99

B. 403 kHz

Answer 100

C. 603 kHz

Answer 101

D. 303 kHz

Answer 102

A. Resistor

Answer 103

B. Inductor

Answer 104

C. Capacitor

Answer 105

D. Transistor

For a linear circuita ___ voltage or current is used to calculate average power.

Correct Answer :

Show all Electrical Circuits MCQ

Related Questions

When the temperature of copper wire is increased its resistance is

Which of the following is a way of decreasing mutual inductance?

In adding or subtracting phasor quantitiesa ___ form is the most convenient.

What is the other name of relative permittivity?

Which of the following does not generally affect the value of a capacitor?

What can be used to estimate resonant frequency and to find reactance at any frequency for any value of capacitor or inductor?

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For a linear circuita ___ voltage or current is used to calculate average power.

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In Norton�s theorema the short circuit current is obtained by

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Which of the following is neither a basic physical law nor deliverable from one?

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³Any resistance R in a branch of a network in which a current I is flowing can be replaced by a voltage equal to IR�. This states

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The arc across a switch when it open an RL circuit is a result of the

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Resistor with colored bands in the body

What is the complex impedance of a circuit with an absolute resistance of 300 ?

Series resonance occurs when

What is the hot resistance of a 100 Wa 220 V incandescent lamp?

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