Electrical Engineering MCQs

Showing page 1 of 244 · 3,658 total solved questions available.

Study Topic

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In a transformer the resistance between its primary and secondary is________?

A.1 ohm

B.1000 ohms

C.infinite

D.zero

Submitted by: Academy of Pakistan

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When one leg of parallel circuit is opened out the total current will________?

A.decrease

B.increase

C.become zero

D.reduce

Submitted by: Academy of Pakistan

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________ coupling is generally employed in power amplifiers?

A.Transformer

B.Impedance

C.direct

D.RC

Submitted by: Academy of Pakistan

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The ac voltage controller can be used for ________?

A.On – line transformer tap changing

B.All of these

C.Soft starting

D.Lighting and heating control

Submitted by: Academy of Pakistan

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Burning out of winding is due to________?

A.open circuiting of capacitor

B.capacitor value hiving changed

C.none of the above

D.short circuited capacitor

Submitted by: Academy of Pakistan

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Excess-3 code is known as________?

A.Cyclic redundancy code

B.Algebraic code

C.Weighted code

D.Self-complementing code

Submitted by: Academy of Pakistan

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Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be________?

A.under compounded

B.level compounded

C.cumulatively compounded

D.differentially compounded

Submitted by: Academy of Pakistan

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The density of hydrogen is ________ times the density of air?

A.3.5

B.1.5

C.2.5

D.0.07

Submitted by: Academy of Pakistan

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The total gain of a multistage amplifier is less than the product of the gains of individual stages due to________?

A.The use of many transistors

B.Loading effect of the next stage

C.Power loss in the coupling device

Submitted by: Academy of Pakistan

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An induction motor has relatively high power factor at________?

A.rated r.p.m.

B.20 percent load

C.near full load

D.no load

Submitted by: Academy of Pakistan

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Power transformers are designed to have maximum efficiency at________?

A.50% full load

B.nearly full load

C.70% full load

D.no load

Submitted by: Academy of Pakistan

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capacitors can be used only for D.C?

A.Air

B.Mica

C.Electrolytic

D.Paper

Submitted by: Academy of Pakistan

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at a point is equal to the negative potential gradient at that point?

A.Electric intensity

B.Magnetic flux density

C.Magnetic flux

D.Electric flux

Submitted by: Academy of Pakistan

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The power factor at resonance in R-L- C parallel circuit is________?

A.unity

B.0.8 leading

C.zero

D.0.08 lagging

Submitted by: Academy of Pakistan

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The electric field at a point situated at a distance d from straight charged conductor is________?

A.none of the above

B.inversely proportional to d

C.proportional to d

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Electrical Engineering MCQs

Showing page 1 of 244 · 3,658 total solved questions available.

Study Topic

⚡Start Quiz Mode to Practice Like the Real Exam!

In a transformer the resistance between its primary and secondary is________?

A.1 ohm

B.1000 ohms

C.infinite

D.zero

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

When one leg of parallel circuit is opened out the total current will________?

A.decrease

B.increase

C.become zero

D.reduce

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

________ coupling is generally employed in power amplifiers?

A.Transformer

B.Impedance

C.direct

D.RC

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The ac voltage controller can be used for ________?

A.On – line transformer tap changing

B.All of these

C.Soft starting

D.Lighting and heating control

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Burning out of winding is due to________?

A.open circuiting of capacitor

B.capacitor value hiving changed

C.none of the above

D.short circuited capacitor

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Excess-3 code is known as________?

A.Cyclic redundancy code

B.Algebraic code

C.Weighted code

D.Self-complementing code

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be________?

A.under compounded

B.level compounded

C.cumulatively compounded

D.differentially compounded

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The density of hydrogen is ________ times the density of air?

A.3.5

B.1.5

C.2.5

D.0.07

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The total gain of a multistage amplifier is less than the product of the gains of individual stages due to________?

A.The use of many transistors

B.Loading effect of the next stage

C.Power loss in the coupling device

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

An induction motor has relatively high power factor at________?

A.rated r.p.m.

B.20 percent load

C.near full load

D.no load

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Power transformers are designed to have maximum efficiency at________?

A.50% full load

B.nearly full load

C.70% full load

D.no load

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

capacitors can be used only for D.C?

A.Air

B.Mica

C.Electrolytic

D.Paper

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

at a point is equal to the negative potential gradient at that point?

A.Electric intensity

B.Magnetic flux density

C.Magnetic flux

D.Electric flux

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The power factor at resonance in R-L- C parallel circuit is________?

A.unity

B.0.8 leading

C.zero

D.0.08 lagging

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The electric field at a point situated at a distance d from straight charged conductor is________?

A.none of the above

B.inversely proportional to d

C.proportional to d

Submitted by: Academy of Pakistan

Read More Details about this Mcq →