Study mode · no timer

All Electrical Engineering MCQs

Study 3,658 Electrical Engineering MCQs with correct answers and explanations.

Answers and explanations are always visible Take this quiz

2081Electrical EngineeringMedium

Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero?

ANone of the above

BThe system is highly stable

CThe system is highly oscillatory

DThe system is relatively stable

Correct answer

C. The system is highly oscillatory

Explanation

The correct answer is The system is highly oscillatory.

2082Electrical EngineeringMedium

The multiplier and the meter coil in a voltmeter are in________?

Aseries

Bnone of the above

Cseries-parallel

Dparallel

Correct answer

A. series

Explanation

The correct answer is series.

2083Electrical EngineeringMedium

Which of the following motors is used in a situation where load increases with speed?

AThree-phase series motor

BSchrage motor

CHysteresis motor

DInduction motor

Correct answer

A. Three-phase series motor

Explanation

The correct answer is Three-phase series motor.

2084Electrical EngineeringMedium

The power is measured in terms of decibles in case of________?

Aauto transformers

Btransformers

Celectronic equipment

Dcurrent transformers

Correct answer

C. electronic equipment

Explanation

The correct answer is electronic equipment.

2085Electrical EngineeringMedium

D.C. generator generally preferred for charging automobile batteries is________?

Ashunt generator

Blong shunt compound generator

Cany of’the above

Dseries generator

Correct answer

B. long shunt compound generator

Explanation

The correct answer is long shunt compound generator.

2086Electrical EngineeringMedium

Which one of the following does not have negative temperature co-efficient ________?

AMica

BRubber

CPaper

DAluminium

Correct answer

D. Aluminium

Explanation

The correct answer is Aluminium.

2087Electrical EngineeringMedium

Varistors are________?

Ainsulators

Bcarbon resistors

Cnon-linear resistors

Dresistors with zero temperature coefficient

Correct answer

C. non-linear resistors

Explanation

The correct answer is non-linear resistors.

2088Electrical EngineeringMedium

A good electric contact material should have all of the following properties except________?

Ahigh resistivity

Bgood thermal conductivity

Chigh melting point

Dhigh resistance to corrosion

Correct answer

A. high resistivity

Explanation

The correct answer is high resistivity.

2089Electrical EngineeringMedium

Greater the secondary leakage flux________?

Aless will be the primary terminal voltage

Bnone of the above

Cless will be the primary induced e.m.f.

Dless will be the secondary induced e.m.f.

Correct answer

D. less will be the secondary induced e.m.f.

Explanation

The correct answer is less will be the secondary induced e.m.f..

2090Electrical EngineeringMedium

Nichrome wire is an alloy of________?

Anickel and chromium

Blead and zinc

Cchromium and vanadium

Dcopper and silver

Correct answer

A. nickel and chromium

Explanation

The correct answer is nickel and chromium.

2081Electrical EngineeringMedium

Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero?

ANone of the above

BThe system is highly stable

CThe system is highly oscillatory

DThe system is relatively stable

Correct answer

C. The system is highly oscillatory

Explanation

The correct answer is The system is highly oscillatory.

2082Electrical EngineeringMedium

The multiplier and the meter coil in a voltmeter are in________?

Aseries

Bnone of the above

Cseries-parallel

Dparallel

Correct answer

A. series

Explanation

The correct answer is series.

2083Electrical EngineeringMedium

Which of the following motors is used in a situation where load increases with speed?

AThree-phase series motor

BSchrage motor

CHysteresis motor

DInduction motor

Correct answer

A. Three-phase series motor

Explanation

The correct answer is Three-phase series motor.

2084Electrical EngineeringMedium

The power is measured in terms of decibles in case of________?

Aauto transformers

Btransformers

Celectronic equipment

Dcurrent transformers

Correct answer

C. electronic equipment

Explanation

The correct answer is electronic equipment.

2085Electrical EngineeringMedium

D.C. generator generally preferred for charging automobile batteries is________?

Ashunt generator

Blong shunt compound generator

Cany of’the above

Dseries generator

Correct answer

B. long shunt compound generator

Explanation

The correct answer is long shunt compound generator.

2086Electrical EngineeringMedium

Which one of the following does not have negative temperature co-efficient ________?

AMica

BRubber

CPaper

DAluminium

Correct answer

D. Aluminium

Explanation

The correct answer is Aluminium.

2087Electrical EngineeringMedium

Varistors are________?

Ainsulators

Bcarbon resistors

Cnon-linear resistors

Dresistors with zero temperature coefficient

Correct answer

C. non-linear resistors

Explanation

The correct answer is non-linear resistors.

2088Electrical EngineeringMedium

A good electric contact material should have all of the following properties except________?

Ahigh resistivity

Bgood thermal conductivity

Chigh melting point

Dhigh resistance to corrosion

Correct answer

A. high resistivity

Explanation

The correct answer is high resistivity.

2089Electrical EngineeringMedium

Greater the secondary leakage flux________?

Aless will be the primary terminal voltage

Bnone of the above

Cless will be the primary induced e.m.f.

Dless will be the secondary induced e.m.f.

Correct answer

D. less will be the secondary induced e.m.f.

Explanation

The correct answer is less will be the secondary induced e.m.f..

2090Electrical EngineeringMedium

Nichrome wire is an alloy of________?

Anickel and chromium

Blead and zinc

Cchromium and vanadium

Dcopper and silver

Correct answer

A. nickel and chromium

Explanation

The correct answer is nickel and chromium.