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MCQs 1: A monostable vibrator has_____________

No stable state One stable state Two stable states None of the above
Answer Explanation

MCQs 2: For a differentiating circuit to be effective, the RC product should be ___________ the time period of the input wave?

Equal to 5 times greater than 5 times smaller than At least 10 times greater than
Answer Explanation

MCQs 3: The positive clipper is that which removes the ____________half-cycles of the input voltage?

Negative Positive Both positive and negative None of the above
Answer Explanation

MCQs 4: When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ______________?

Rectangular Sinusoidal Sawtooth Square
Answer Explanation

MCQs 5: The multivibrator which generates square wave of its own is the ____________multivibrator?

Monostable Bistable Astable None of the above
Answer Explanation

MCQs 6: When a transistor is driven to cut off, ideally the output is _______________?

VCC 0 VCC/2 VCC/3
Answer Explanation

MCQs 7: If d.c. supply of 10 V is fed to a differentiating circuit, then output will be_______________?

20 V 10 V 0 V None of the above
Answer Explanation

MCQs 8: If a square wave is fed to a differentiating circuit, the output will be _____________?

Sine wave Sharp narrow pulses Rectangular wave Triangular wave
Answer Explanation

MCQs 9: If the input to a differentiating circuit is a saw-tooth wave, then output will be _____________?

Square Triangular Sine Rectangular
Answer Explanation

MCQs 10: An astable multivibrator has ________________?

One stable state Two stable states No stable state None of the above
Answer Explanation

MCQs 11: A relay is superior to a mechanical switch because it _______________?

Is relatively inexpensive Does not require moving contacts Combines control with power amplification None of the above
Answer Explanation

MCQs 12: ______________ multivibrator is a square wave oscillator?

Monostable Astable Bistable None of the above
Answer Explanation

MCQs 13: When a transistor is driven to saturation, ideally the output is _____________?

VCC 0 VCC/2 2VCC
Answer Explanation

MCQs 14: The most inexpensive switch is _____________ switch?

Electronic Mechanical Electromechanical None of the above
Answer Explanation

MCQs 15: A switch has ______________?

One state Two states Three states None of the above
Answer Explanation

MCQs 16: The maximum speed of electronic switch can be _____________operations per second?

104 10 1000 109
Answer Explanation

MCQs 17: The main disadvantage of a mechanical switch is that it_______________?

Is operated mechanically Is costly Has high inertia None of the above
Answer Explanation

MCQs 18: The switch that has the fastest speed of operation is ____________ switch?

Electronic Mechanical Electromechanical None of the above
Answer Explanation

MCQs 19: A relay is ___________switch?

A mechanical An electronic An electromechanical None of the above
Answer Explanation

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