Physics MCQs

Page No. 6

The electronic circuits which implement the various logic operations are called_____________?


aLogic gates


bBoolean algebra


cAmplifier gain


dLogic functions


View Answer Logic gates

In forward bias the width of potential barrier_____________?


a Increases


bDecreases


cRemains same


dNo effect


View Answer Decreases

In a half-wave rectifier the r.m.s. value of the A.C. component of the wave is________________?


aEqual to D.C. value


bMore than D.C. value


cLess than D.C. value


dZero


View Answer More than D.C. value

To obtain a p-type semi-conductor Si Crystal must be doped with foreign atoms whose valency is_____________?


a2


b3


c4


d5


View Answer 3

The working of transistor as amplifier is similar to________________?


aStep up transformer


bStep down transformer


cThree diodes in common


d Triode vacuum tube


View Answer Triode vacuum tube

An OP-AMP comparator is a circuit that compares the signal voltage on one of its inputs with a ______________?


aNon-inverting voltage at output


bReference voltage on the other


cVirtual input


dOutput



Non-inverting amplifier circuits have____________?


aA very high input impedance


bA very low input impedance


cA low output impedance


dNone of the above



The operation of a transistor requires______________?


aThat the emitter be heated


bThat the base be heated


cThat the collector be heated


dNone of the above


View Answer None of the above

To obtain an n-type semiconductor germanium crystal it must be doped with foreign atoms whose valency is_____________?


a2


b 3


c4


d5


View Answer 5

The operational amplifier is______________?


aA high gain amplifier


bA high-power amplifier


cA high resistance amplifier


dA low resistance amplifier


View Answer A high gain amplifier

Goto Page No.

Page 6 of 75

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan