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Solid-State Switching Circuits

Study 29 Electrical Engineering MCQs with correct answers and explanations.

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21Electrical EngineeringMedium

When a transistor is driven to saturation, ideally the output is ________?

AVCC/2

BVCC

C2VCC

Correct answer

D. 0

Explanation

The correct answer is 0.

22Electrical EngineeringMedium

An integrating circuit is a simple RC series circuit with output taken across ________?

BNone of the above

DBoth R and C

Correct answer

A. C

Explanation

The correct answer is C.

23Electrical EngineeringMedium

A relay is superior to a mechanical switch because it ________?

ACombines control with power amplification

BIs relatively inexpensive

CNone of the above

DDoes not require moving contacts

Correct answer

A. Combines control with power amplification

Explanation

The correct answer is Combines control with power amplification.

24Electrical EngineeringMedium

The positive clipper is that which removes the ________half-cycles of the input voltage?

ANegative

BBoth positive and negative

CPositive

DNone of the above

Correct answer

C. Positive

Explanation

The correct answer is Positive.

25Electrical EngineeringMedium

A negative clipper removes the ________half-cycles of the input voltage?

ANone of the above

BPositive

CNegative

DBoth positive and negative

Correct answer

C. Negative

Explanation

The correct answer is Negative.

26Electrical EngineeringMedium

The most inexpensive switch is ________ switch?

AElectronic

BElectromechanical

CNone of the above

DMechanical

Correct answer

A. Electronic

Explanation

The correct answer is Electronic.

27Electrical EngineeringMedium

A bistable multivibrator has ________?

ANone of the above

BOne stable state

CNo stable state

DTwo stable states

Correct answer

D. Two stable states

Explanation

The correct answer is Two stable states.

28Electrical EngineeringMedium

For a differentiating circuit to be effective, the RC product should be ________ the time period of the input wave?

A5 times greater than

BAt least 10 times greater than

C5 times smaller than

DEqual to

Correct answer

B. At least 10 times greater than

Explanation

The correct answer is At least 10 times greater than.

29Electrical EngineeringMedium

________ multivibrator is a square wave oscillator?

AMonostable

BBistable

CNone of the above

DAstable

Correct answer

D. Astable

Explanation

The correct answer is Astable.

21Electrical EngineeringMedium

When a transistor is driven to saturation, ideally the output is ________?

AVCC/2

BVCC

C2VCC

Correct answer

D. 0

Explanation

The correct answer is 0.

22Electrical EngineeringMedium

An integrating circuit is a simple RC series circuit with output taken across ________?

BNone of the above

DBoth R and C

Correct answer

A. C

Explanation

The correct answer is C.

23Electrical EngineeringMedium

A relay is superior to a mechanical switch because it ________?

ACombines control with power amplification

BIs relatively inexpensive

CNone of the above

DDoes not require moving contacts

Correct answer

A. Combines control with power amplification

Explanation

The correct answer is Combines control with power amplification.

24Electrical EngineeringMedium

The positive clipper is that which removes the ________half-cycles of the input voltage?

ANegative

BBoth positive and negative

CPositive

DNone of the above

Correct answer

C. Positive

Explanation

The correct answer is Positive.

25Electrical EngineeringMedium

A negative clipper removes the ________half-cycles of the input voltage?

ANone of the above

BPositive

CNegative

DBoth positive and negative

Correct answer

C. Negative

Explanation

The correct answer is Negative.

26Electrical EngineeringMedium

The most inexpensive switch is ________ switch?

AElectronic

BElectromechanical

CNone of the above

DMechanical

Correct answer

A. Electronic

Explanation

The correct answer is Electronic.

27Electrical EngineeringMedium

A bistable multivibrator has ________?

ANone of the above

BOne stable state

CNo stable state

DTwo stable states

Correct answer

D. Two stable states

Explanation

The correct answer is Two stable states.

28Electrical EngineeringMedium

For a differentiating circuit to be effective, the RC product should be ________ the time period of the input wave?

A5 times greater than

BAt least 10 times greater than

C5 times smaller than

DEqual to

Correct answer

B. At least 10 times greater than

Explanation

The correct answer is At least 10 times greater than.

29Electrical EngineeringMedium

________ multivibrator is a square wave oscillator?

AMonostable

BBistable

CNone of the above

DAstable

Correct answer

D. Astable

Explanation

The correct answer is Astable.