Electrical Engineering MCQs

Page No. 194

In a capacitive circuit___________?


aa steady value of applied voltage causes discharge


ban increase in applied voltage makes a capacitor charge


cdecrease in applied voltage makes a capacitor charge


d none of the above



The dissipation factor of a good dielectric is of the order of____________?


a0.0002


b0.002


c0.02


d0.2


View Answer 0.0002

Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them_____________?


aall in series


b all in parallel


ctwo in parallel and third in series with this combination


dtwo in series and third in parallel across this combination



The sparking between two electrical contacts can be reduced by inserting a___________?


acapacitor in parallel with contacts


bcapacitor in series with each contact


cresistance in line


dnone of the above



Which of the following statements is incorrect _________________?


a The leakage resistance of ceramic capacitors is generally high


bThe stored energy in a capacitor decreases with reduction in value of capacitance


cThe stored energy in a capacitor increases with applied voltage


d A wire cable has distributed capacitance between the conductors



In the case of a lossy capacitor, its series equivalent resistance value will be_______________?


asmall


bvery small


clarge


dzero


View Answer large

Which of the following capacitors has relatively shorter shelf life____________?


aMica capacitor


bElectrolytic capacitor


cCeramic capacitor


dPaper capacitor



Which of the following expression is correct for electric field strength___________?


aE = D/E


b E = D2/t


cE = jtD


dE= nD2


View Answer E = D/E

Which of the following statement is true __________?


aThe current in the discharging capacitor grows linearly


bThe current in the dicharging capacitor grows exponentially


cThe current in the discharging capacitor decays exponentially


d The current in the discharging capacitor decreases constantly



Which of the following materials has the highest value of dielectric constant___________?


aGlass


bVacuum


cCeramics


dOil


View Answer Oil

Goto Page No.

Page 194 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