Electrical Engineering MCQs

Page No. 111

When an SCR is turned on, the voltage across it is about _____________?


aZero

✖


b 10 V

✖


c1 V

✖


d1 V

✓


View Answer 1 V

An SCR is a ____________ triggered device?


aVoltage

✖


bCurrent

✓


cVoltage as well as current

✖


dNone of the above

✖


View Answer Current

An SCR is made of silicon and not germanium because silicon _________________?


aIs inexpensive

✖


bIs mechanically strong

✖


cHas small leakage current

✓


d Is tetravalent

✖



In an SCR circuit the supply voltage is generally ___________ that of breakover voltage?


aEqual to

✖


bLess than

✓


cGreater than

✖


dNone of the above

✖


View Answer Less than

The normal way to turn on a SCR is by______________?


aBreakover voltage

✖


bAppropriate anode current

✖


cAppropriate gate current

✓


dNone of the above

✖



An SCR combines the features of ____________?


aA rectifier and resistance

✖


bA rectifier and transistor

✓


cA rectifier and capacitor

✖


dNone of the above

✖



An SCR is turned off by _________________?


aReducing anode voltage to zero

✓


bReducing gate voltage to zero

✖


cReverse biasing the gate

✖


dNone of the above

✖



The control element of an SCR is ______________?


aCathode

✖


b Anode

✖


cAnode supply

✖


dGate

✓


View Answer Gate

In the normal operation of an SCR, anode is __________ w.r.t. cathode?


aAt zero potential

✖


bNegative

✖


c Positive

✓


dNone of the above

✖


View Answer Positive

An SCR behaves as a____________switch?


a Unidirectional

✓


bBidirectional

✖


c Mechanical

✖


dNone of the above

✖


View Answer Unidirectional

Goto Page No.

Page 111 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