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Solid State Switching Circuits MCQs with Explanations

Practice high-yield Electrical Engineering MCQs on Solid State Switching Circuits with worked academic solutions for WAPDA, NTDC, IESCO, LESCO, PPSC, FPSC.

Questions
29
Difficulty Level
Exam-Level
Target Exams
WAPDA, NTDC, IESCO...
Estimated Time
35 mins
Exam-Level WAPDA NTDC IESCO LESCO PPSC FPSC
Verified for Commission Syllabus β€’ Oct 14, 2026
29

Verified Practice Questions

Interactive test mode with detailed academic worked solutions

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Question 1 of 29
β˜… WAPDA β˜… NTDC

If the input to an integrating circuit is a succession of alternating positive and negative pulses of very short duration, the output will be ___________ wave

Question 2 of 29
β˜… WAPDA β˜… NTDC

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

Question 3 of 29
β˜… WAPDA β˜… NTDC

If the input to a differentiating circuit is a saw-tooth wave, then output will be ___________.

Question 4 of 29
β˜… WAPDA β˜… NTDC

If a square wave is fed to a differentiating circuit, the output will be ___________.

Question 5 of 29
β˜… WAPDA β˜… NTDC

The multivibrator which generates square wave of its own is the ___________ multivibrator

Question 6 of 29
β˜… WAPDA β˜… NTDC

In a multivibrator, we have ___________ feedback.

Question 7 of 29
β˜… WAPDA β˜… NTDC

An astable multivibrator has ___________.

Question 8 of 29
β˜… WAPDA β˜… NTDC

A bistable multivibrator has ___________.

Question 9 of 29
β˜… WAPDA β˜… NTDC

A monostable vibrator has ___________.

Question 10 of 29
β˜… WAPDA β˜… NTDC

A relay is superior to a mechanical switch because it ___________.

Question 11 of 29
β˜… WAPDA β˜… NTDC

When a transistor is used as an amplifier, it is operated in the ___________ region

Question 12 of 29
β˜… WAPDA β˜… NTDC

When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ___________.

Question 13 of 29
β˜… WAPDA β˜… NTDC

The positive clipper is that which removes the ___________ half-cycles of the input voltage.

Question 14 of 29
β˜… WAPDA β˜… NTDC

If d.c. supply of 10 V is fed to a differentiating circuit, then output will be .

Question 15 of 29
β˜… WAPDA β˜… NTDC

A switch has ___________.

Question 16 of 29
β˜… WAPDA β˜… NTDC

A differentiating circuit is a simple RC circuit with output taken across ___________.

Question 17 of 29
β˜… WAPDA β˜… NTDC

For an integrating circuit to be effective , the RC product should be ___________ the time period of the input wave.

Question 18 of 29
β˜… WAPDA β˜… NTDC

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

Question 19 of 29
β˜… WAPDA β˜… NTDC

A negative clipper removes the ___________ half-cycles of the input voltage.

Question 20 of 29
β˜… WAPDA β˜… NTDC

The maximum speed of electronic switch can be ___________ operations per second.

Question 21 of 29
β˜… WAPDA β˜… NTDC

One would find a clamping circuit in ___________.

Question 22 of 29
β˜… WAPDA β˜… NTDC

When the transistor (CE arrangement) is in the cut off region, the collector current is ___________.

Question 23 of 29
β˜… WAPDA β˜… NTDC

A relay is ___________ switch.

Question 24 of 29
β˜… WAPDA β˜… NTDC

The switch that has the fastest speed of operation is ___________ switch.

Question 25 of 29
β˜… WAPDA β˜… NTDC

The most inexpensive switch is ___________ switch.

Question 26 of 29
β˜… WAPDA β˜… NTDC

The main disadvantage of a mechanical switch is that it___________.

Question 27 of 29
β˜… WAPDA β˜… NTDC

___________ multivibrator is a square wave oscillator.

Question 28 of 29
β˜… WAPDA β˜… NTDC

When a transistor is driven to saturation, ideally the output is ___________.

Question 29 of 29
β˜… WAPDA β˜… NTDC

When a transistor is driven to cut off, ideally the output is ___________.

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In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.

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