Electrical Engineering MCQs

Page No. 121

In amplitude modulation, the _____________of carrier is varied according to the strength of the signal?


aAmplitude


b Frequency


cPhase


d None of the above


View Answer Amplitude

In pakistan, ______________ modulation is used for radio transmission?


aFrequency


bAmplitude


c Phase


dNone of the above


View Answer Amplitude

Modulation is done in____________________


a Transmitter


bRadio receiver


cBetween transmitter and radio receiver


dNone of the above


View Answer Transmitter

In amplitude modulation, bandwidth is ____________ the audio signal frequency?


aThrice


bFour times


c Twice


d None of the above


View Answer Twice

At 100% modulation, the power in each sideband is _____________ of that of carrier?


a 50%


b40%


c60%


d25%


View Answer 25%

Overmodulation (amplitude) occurs when signal amplitude is _____________ carrier amplitude?


aEqual to


bGreater than


cLess than


dNone of the above


View Answer Greater than

Over modulation results in ______________?


aExcessive carrier power


bWeakening of the signal


cDistortion


dNone of the above


View Answer Distortion

In all base driver amplifiers__________?


aac collector voltage is 180° out of phase with ac base voltage


b ac emitter voltage is 180° out of phase with ac base voltage


c ac collector voltage is in phase with ac base voltage


d none of the above



The encapsulation of transistor is necessary for__________?


apreventing radio interference


bpreventing photo-emission effects


c avoiding loss of free electrons


dmechanical ruggedness


View Answer mechanical ruggedness

The cascade amplifier is a multistage configuration of__________?


aCC-CB


b CE-CB


c CB-CC


d CE-CC


View Answer CE-CB

Goto Page No.

Page 121 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