Electrical Engineering MCQs

Page No. 25

The maximum collector efficiency of class B operation is ________________?


a50%


b 90%


c5%


d5%


View Answer 5%

If a transistor is operated in such a way that output current flows for 60o of the input signal, then it is ______________ operation?


aClass A


bClass B


cClass C


dNone of the above


View Answer Class C

A class A power amplifier is sometimes called______________amplifier?


aSymmetrical


bSingle-ended


cReciprocating


dDifferential


View Answer Single-ended

A 2-transistor class B power amplifier is commonly called ______________ amplifier?


aDual


bPush-pull


cSymmetrical


dDifferential


View Answer Push-pull amplifier

A power amplifier has comparatively __________________ ß ?


aSmall


bLarge


cVery large


dNone of the above


View Answer Small

Low efficiency of a power amplifier results in_________________?


aLow forward bias


bLess battery consumption


cMore battery consumption


d None of the above



When a transistor is cut off _________________?


aMaximum voltage appears across transistor


bMaximum current flows


cMaximum voltage appears across load


dNone of the above



If the zero signal dissipation of a transistor is 1W, then power rating of the transistor should be at least___________________?


a5 W


b 33 W


c75 W


d1 W


View Answer 1 W

The output stage of a multistage amplifier usually employs______________?


aPush-pull amplifier


bPreamplifier


cClass A power amplifier


dNone of the above


View Answer Push-pull amplifier

The size of a power transistor is made considerably large to________________?


aProvide easy handling


bDissipate heat


cFacilitate connections


d None of the above


View Answer Dissipate heat

Goto Page No.

Page 25 of 366

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