**41. What is the half-power bandwidth of a parallel resonant
circuit which has a resonant frequency of 3.6 MHz and Q of 218?**

**A. 16.5 kHz**

B.

1.65 kHz

C.

16.5 MHz

D.

165 kHz

**42. Which one of the following elements serves as a protection**

against overload?

against overload?

A.

Fuse

B.

Switch

C.

Resistor

D.

Relay

**43. Transient period is considered over after**

**A. 5 TAA**

B.

1 Taa

C.

100 Taa

D.

6 Taa

**44. What rating of a resistor determines its ability to absorb**

heat?

heat?

A.

**Wattage**

B.

Ohmic

C.

Current

D.

Voltage

**45. An open inductor has:**

A.

Zero resistance and infinite inductance

B.

Infinite resistance and infinite inductance

**C. Infinite resistance and zero inductance**

D.

Zero resistance and zero inductance

46.

**What is the reading of an ohmmeter for a shorted capacitor?**

**B. Zero**

C.

Infinity

D.

k Ohm

E.

M Ohm

47.

**What capacitance exists not through design but simply because two conducting**

surfaces are relatively close to each other?

surfaces are relatively close to each other?

A.

Surge

**B.Stray**

C.

Natural

D.

Normal

**48. The average value of a triangular or sawtooth wave is_______**

times its peak value.

times its peak value.

A.

0.577

**B. 0.500**

C.

0.318

D.

0.637

49.

A series RLC circuit consists of a 10 Ohm resistor in series with L = 10 µH,

and C = 100 µF. Determine a new value of I, for which the resonant frequency is

one —half the original value.

A.

**40uH**

B.

40 mH

C.

40 pH

D.

40 nH

**50. What is the peak factor of a triangular wave?**

A.

1.16

**B. 1.73**

C.

1.41

D.

1.11

**51. Effects of capacitance:**

A.

It opposes any change in the amount of voltage

B.

Voltage is lagged behind the current by a quarter cycle

C.

Electric energy is stored in the capacitor in the form of electrostatic field

**D. All of the above**

**52. Points to be considered in choosing a capacitor**

A.

Working voltage

B.

Type of dielectric

C.

Capacitance

**D. All of the above**

53.

**Permeability is otherwise known as**

A.

**Magnetic conductivity**

B.

Magnetic susceptibility

C.

Electric conductivity

D.

Electric susceptibility

**54. The impedance in the study of electronics is represented by**

resistance and

resistance and

**A. Reactance**

B.

Inductance

C.

Capacitance

D.

Inductance and capacitance

**55. Loop currents should be assumed to flow in which direction**

A.

Straight

B.

Clockwise

C.

Counter-clockwise

**D. Either B or C arbitrarily**

**56. What determines the direction of induced emf in a conductor**

or coil?

or coil?

A.

Corkscrew rule

B.

Fleming’s left hand rule

**C. Fleming’s right hand rule**

D.

Ampere’s circuital law

57.

**The reason why electrical appliances are connected in parallel.**

A.

It is a simple circuit

**B. This makes the operation of appliances independent of each other**

C.

This results in reduced power consumption

D.

All of the above

58.

**Which of the following does not affect resistance?**

**A. Mass**

B.

Resistivity

C.

Cross-sectional area

D.

Length

**59. Which of the following is not considered a physical factor**

affecting resistance?

affecting resistance?

**A. Temperature**

B.

Length

C.

Material type

D.

Cross-sectional

60.

**A 0.09 microfarad capacitor is charged to 220 volts. How long in**

milliseconds will it discharged resistor has a resistance of 20,000 ohms?

milliseconds will it discharged resistor has a resistance of 20,000 ohms?

A.

1.5

**B. 1.25**

C.

2.5

D.

0.5

**61. A trigger circuit consisting of a capacitor of 0.01 µF is**

connected in series with a resistor. If the circuit requires 100 Vdc to

operate, determine the value of the resistor when time constant is 0.009s.

connected in series with a resistor. If the circuit requires 100 Vdc to

operate, determine the value of the resistor when time constant is 0.009s.

A.

900 Ohm

B.

900 MOhm

**C. 900 KOhm**

D.

900 GOhm

**62. The graph between an alternating quantity and time is called**

A.

Sine wave

B.

Curve

**C. Waveform**

D.

A plot

**63. Which of the following is the most popular waveform?**

**A. Sinusoidal**

B.

Square wave

C.

Triangular

D.

Sawtooth

**64. Which of the following does not refer to electrical energy?**

A.

Joule

**B. Volt-Ampere**

C.

Watt-second

D.

Volt-coulomb

**65. What is the resonant frequency of a circuit when L of 25**

micro henrys and C of 10 pico farads are in parallel?

micro henrys and C of 10 pico farads are in parallel?

A.

10.1 kHz

**B. 10.1 MHz**

C.

101 MHz

D.

101 kHz

**66. And ideal current source has an internal conductance**

of_______ Siemen(s)

of_______ Siemen(s)

A.

Infinite

**B. Zero**

C.

One

D.

One million

**67. A capacitance of 6 µµF means**

**A. 6 pF**

B.

6 nF

C.

6 uF

D.

6 aF

**68. The voltage cannot be exactly in phase with the current in a**

circuit that contains:

circuit that contains:

**B. Only Capacitance**

C.

Only resistance

D.

Inductance and capacitance

E.

Inductance, capacitance and resistance

69.

**The charge in the capacitor is stored at the:**

A.

Terminals

**B. Plates**

C.

Dielectric

D.

Air

**70. The reactance curve is a plot of frequency versus_________**

for a series RLC circuit

for a series RLC circuit

A.

Voltage

**B. Current**

C.

Gain

D.

Impedance

**71. For a series circuit, the higher the quality factor**

A.

The greater the bandwidth

**B. The narrower the passband**

C.

The broader the resonance curve

D.

The wider the pass band

**72. “Any 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

current I is flowing can be replaced by a voltage equal to IR”. This states

**A. Compensation theorem**

B.

Reciprocity theorem

C.

Millman’s theorem

D.

Superposition theorem

**73. The internal resistance of an ideal current source is**

**A. Infinite**

B.

Zero

C.

Equal to the load resistance

D.

To be determined

**74. If three 100-pF capacitors are connected in series, then the**

total capacitance is

total capacitance is

A.

300 pF

B.

100 pF

C.

50 pF

**D. 33.3 pF**

**75. An inductance of 1 mH is**

**A. 0.001 H**

B.

0.01 H

C.

0.0001 H

D.

0.10 H

**76. A capacitor is basically constructed of**

**A.**

**Two conductors separated by a**

dielectric

dielectric

B.

Two dielectric separated by a conductor

C.

Conductors and dielectric

D.

Conductors and semiconductors

**77. In an inductive coil, the rate of rise of current is maximum**

**A. Near the final maximum value of current**

B.

At mid-value of current

C.

At half-power points

D.

After one time constant

78.

Two complex numbers or phasors are said to be conjugate if they

**A. Differ only in the algebraic sign of their quadratic components**

B.

Differ only in the algebraic sign of their real components

C.

Are equal in their real and quadrature components including algebraic signs

D.

Are equal in their real components but differ in their quadrature components

including algebraic signs.

**79. In an ac circuit with a resistive branch and an inductive**

branch in parallel, the

branch in parallel, the

A.

Voltage across the inductance leads the voltage across the resistance by 90°

**B. Resistive branch current is 90° out of phase with the inductive**

branch current

branch current

C.

Resistive and inductive branch currents have the same phase

D.

Resistive and inductive branch currents are 180° out-of-phase

**80. In an ac circuit with XL and R in series, the**

A.

Voltages across R and XL are in phase

**B. Voltage across R lags the voltage across XL by 90**°

C.

Voltages across R and XL are 180° out-of-phase

D.

Voltage across R leads the voltage across XL by 90°

**81. Leakage resistance in a capacitor results into**

**A. Internal heating**

B.

Internal bleeding

C.

Shorter useful life

D.

Short-circuiting

**82. Voltage resonance means**

**A. Series resonance**

B.

Parallel resonance

C.

Current magnification

D.

Gain magnification

**83. The unit of elastance is**

A.

Farad

**B. Daraf**

C.

Siemen

D.

Henry

**84. The farad is not equivalent to which of the following**

combination of units

combination of units

**A. CV2**

B.

C2/J

C.

C/V

D.

J/V2

**85. Which component opposes voltage change?**

A.

Resistor

B.

Inductor

**C. Capacitor**

D.

Transistor

**86. What is the peak factor for alternating current or voltage**

varying sinusiodally?

varying sinusiodally?

**A. 1.4142**

B.

0.707

C.

0.636

D.

1.11

**87. Which of the following is not a factor affecting dielectric**

strength?

strength?

**A. Mass**

B.

Moisture content

C.

Temperature

D.

Thickness

**88. The superposition theorem is used when the circuit contains**

A.

Reactive elements

B.

Active elements

**C. Number of voltage sources**

D.

Single voltage source

**89. What refers to such work at very low temperatures, near**

absolute zero?

absolute zero?

**A. Cryogenics**

B.

Superconductivity

C.

Subsonic

D.

Thermionic

**90. A factor that states how much the resistance changes for a**

change in temperature?

change in temperature?

A.

Resistivity

B.

Specific resistance

C.

Coefficient of temperature change

**D. Temperature coefficient of resistance**

**91. An alloy composed of 84 % copper, 12 % manganese and 4 %**

nickel.

nickel.

**A. Manganin**

B.

Constantan

C.

Nichrome

D.

German silver wire

**92. A law which states that when a constant electromotive force**

is applied to a circuit consisting of a resistor and capacitor connected in

series, the time taken for the potential on the plates of the capacitor to rise

to any given fraction of its final value depends only on the product of

capacitance and resistance.

is applied to a circuit consisting of a resistor and capacitor connected in

series, the time taken for the potential on the plates of the capacitor to rise

to any given fraction of its final value depends only on the product of

capacitance and resistance.

A.

Child’s law

**B. CR law**

C.

Coulomb’s law

D.

Debye T3 law

**93. At parallel resonance, the currents flowing through L and C**

are

are

A.

Infinite

B.

Zero

C.

Unequal

**D. Equal**

**94. In a rectangular wave, the peak factor is**

A.

1.16

B.

1.73

C.

1.11

**D. 1.0**

**95. In an RL series circuit,**

**A. Current lags voltage by less than 90˚**

B.

Current lags voltage by 180˚

C.

Current lags voltage by 90˚

D.

Current leads voltage by 90˚

**96. In a pure capacitance,**

**A. Current leads voltage by 90˚**

B.

Current leads voltage by 180˚

C.

Current lags voltage by 90˚

D.

Current lags voltage by 180˚

**97. The ohmic value of a resistor with negative temperature**

coefficient

coefficient

A.

Increases with increasing temperature

**B. Increase with decreasing temperature**

C.

Stays unchanged with temperature change

D.

Stays unaffected even with increasing temperature

**98. Which of the statements below is not true?**

A.

Current source is an active element

B.

Resistor is a linear element

**C. Voltage source is a passive element**

D.

Diode is a non-linear element

**99. Which of the following elements is active?**

A.

Resistor

B.

Inductor

C.

Capacitor

**D. Ideal voltage source**

**100. What is the complex impedance of a circuit with an absolute**

resistance of 300 Ω?

resistance of 300 Ω?

A.

0 + j 300 Ω

B.

300 + j 90 Ω

C.

0 – j 300 Ω

**D. 300 + j 0 Ω**

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Can you provide these questions in pdf ..please..

Due to technical error PRINT BUTTON is remove we will be correct it shortly.

Sir Will BDL MT EXAM ask this questions

Yes it will be help full for all electrical exam

Thank you sir

sir pls upload the electrical books for JE and AE govt. exam like. kpcl and kptcl and railways

For books sorry because due to copy right issue it is not possible to every book we will try to upload some more books