Electrical Engineering MCQs

Page No. 337

When electric current passes through a bucket full of water, lot of bubbling is observeD. This suggests that the type of supply is____________?


aA. C.

✖


bD. C.

✓


cany of above two

✖


d none of the above

✖


View Answer D. C.

In the case of direct current____________?


amagnitude and direction of current remains constant

✓


b magnitude and direction of current changes with time

✖


cmagnitude of current changes with time

✖


dmagnitude of current remains constant

✖



Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct ?


a100 W lamp will glow brighter

✖


b 40 W lamp will glow brighter

✓


cBoth lamps will glow equally bright

✖


d 40 W lamp will fuse

✖



In a lamp load when more than one lamp are switched on the total resistance of the load_____________?


a increases

✖


bdecreases

✓


cremains same

✖


dnone of the above

✖


View Answer decreases

When one leg of parallel circuit is opened out the total current will______________?


areduce

✖


bincrease

✖


cdecrease

✓


dbecome zero

✖


View Answer decrease

It becomes more difficult to remove_________________?


aany electron from the orbit

✖


bfirst electron from the orbit

✖


csecond electron from the orbit

✖


d third electron from the orbit

✓



Whether circuit may be AC. or D. C. one, following is most effective in reducing the magnitude of the current?


aReactor

✖


bCapacitor

✖


cInductor

✖


dResistor

✓


View Answer Resistor

A glass rod when rubbed with silk cloth is charged because__________?


ait takes in proton

✖


b its atoms are removed

✖


cit gives away electrons

✓


dit gives away positive charge

✖



Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as________?


a4 : 25

✖


b25 : 4

✖


c2 : 5

✓


d5 : 2

✖


View Answer 2 : 5

When electric current passes through a metallic conductor, its temperature rises. This is due to__________?


acollisions between conduction electrons and atoms

✓


bthe release of conduction electrons from parent atoms

✖


cmutual collisions between metal atoms

✖


dmutual collisions between conducting electrons

✖



Goto Page No.

Page 337 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