1000+ Magnetic Circuit MCQ Questions and Answers Pdf - 1
Question: 1
The rate of rise of current through an inductive coil is maximum
(A) after one time constant
(B) at 63.2% of its maximum steady value
(C) at the start of the current flow
(D) near the final maximum value of current
Ans: C
at the start of the current flow
Question: 2
A material for good magnetic memory should have
(A) high retentivity
(B) low retentivity
(C) high permeability
(D) low hysteresis loss
Ans: A
high retentivity
Question: 3
The property of a material which composes the creation of magnetic flux in it is known as
(A) reluctance
(B) permeance
(C) magnetomotive force
(D) reluctivity
Ans: A
reluctance
Question: 4
The transformer cores operating at microwave frequency range, are usually made of
(A) ferrites
(B) silicon steels
(C) copper
(D) carbon
Ans: A
ferrites
Question: 5
A ferrite core has less eddy current loss than an iron core because
(A) ferrites have high hysteresis
(B) ferrites have low permeability
(C) ferrites are magnetic
(D) ferrites have high resistance
Ans: A
ferrites have high hysteresis
7000+ Abbreviations Quiz Pdf More
7000+ Computer Abbreviations MCQ with Answers More
7000+ Degrees of Comparison Questions for Class 10 More
TNPSC Degrees of Comparison Exercises for Class 10 with Answers More
7000+ Articles MCQ Questions and Answers More
1000+ Quantitative Aptitude Questions and Answers for Bank Exams More
100+ Change of Speech - Verbal Ability Questions and Answers More
100+ SBI Bank Exam Question Papers with Answers More
Chemical Engineering Thermodynamics MCQ Questions & Answers Pdf More
Chemistry Quiz Questions and Answers for Class 12, 11, 10, 9, 8, 7, 6 More
REGISTER TO GET FREE UPDATES
