Electrical Engineering MCQs

Page No. 334

If/, R and t are the current, resistance and time respectively, then according to Joule’s law heat produced will be proportional to_______________?


aI2Rt

✓


bI2Rf

✖


cI2R2t

✖


dI2R2t*

✖


View Answer I2Rt

A thermistor has_____________?


apositive temperature coefficient

✖


bnegative temperature coefficient

✖


czero temperature coefficient

✓


d variable temperature coefficient

✖



With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals_____________?


a10 W

✖


b20 W

✖


c40 W

✖


d 60 W

✓


View Answer 60 W

The number of electrons in the outer most orbit of carbon atom is___________?


a 3

✖


b 4

✓


c6

✖


d7

✖


View Answer 4

The ratio of mass of proton to that of electron is nearly_____________?


a1840

✓


b1840

✖


c30

✖


d4

✖


View Answer 1840

Voltage dependent resistors are used_____________?


afor inductive circuits

✖


b to supress surges

✓


cas heating elements

✖


d as current stabilizers

✖


View Answer to supress surges

Voltage dependent resistors are usually made from________________?


aCharcoal

✖


bSilicon Carbide

✓


cNichrome

✖


dGraphite

✖


View Answer Silicon Carbide

All good conductors have high____________?


aconductance

✓


b resistance

✖


creluctance

✖


dthermal conductivity

✖


View Answer conductance

are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators______________?


aVaristors

✖


bThermistor

✖


cSemi-conductors

✓


dVariable resistors

✖


View Answer Semi-conductors

An open resistor, when checked with an ohm-meter reads_____________?


azero

✖


binfinite

✓


chigh but within tolerance

✖


d low but not zero

✖


View Answer infinite

Goto Page No.

Page 334 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