Materials and Components MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Materials and Components, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Materials and Components MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Materials and Components mcq questions that explore various aspects of Materials and Components problems. Each MCQ is crafted to challenge your understanding of Materials and Components principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Materials and Components MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Materials and Components. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Materials and Components knowledge to the test? Let's get started with our carefully curated MCQs!

Materials and Components MCQs | Page 37 of 44

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Q361.
Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q362.
Many compounds also exhibit semiconducting properties.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q363.
A characteristic property of crystal is its periodicity of structure.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q364.
For making a capacitor it is better to have a dielectric having

a.

high permittivity

b.

low permittivity

c.

permittivity same as that of air

d.

permittivity which is neither high nor low

Discuss
Answer: (a).high permittivity
Q365.
In solid insulator materials having only one kind of atom, the types of polarization which exist are

a.

electronic only

b.

electronic and ionic

c.

electronic, ionic and permanent

d.

electronic and permanent

Discuss
Answer: (a).electronic only
Q366.
Schrodinger wave equation is a

a.

linear equation

b.

differential equation

c.

partial differential equation

d.

none of the above

Discuss
Answer: (c).partial differential equation
Q367.
The dielectric losses do not depend on frequency.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q368.
Assertion (A): Holes are majority carriers in p type semiconductor.

Reason (R): In p type semiconductor, the electrons produced by thermal agitation recombine with holes.

a.

Both A and R are true and R is correct explanation of A

b.

Both A and R are true but R is not correct explanation of A

c.

A is true but R is false

d.

A is false but R is true

Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Q369.
If ฯ„ is relaxation time and ฯ„c is average time between collisions, then in an isotropic metal

a.

ฯ„ = ฯ„c

b.

ฯ„ < ฯ„c

c.

ฯ„c < ฯ„

d.

T = 0.01 ฯ„e

Discuss
Answer: (a).ฯ„ = ฯ„c
Q370.
Assertion (A): Resistivity of a perfect single crystal of a metal goes to zero as T approaches zero.

Reason (R): Scattering of electrons is due to deviations from perfect periodicity of lattice.

a.

Both A and R are true and R is correct explanation of A

b.

Both A and R are true but R is not correct explanation of A

c.

A is true but R is false

d.

A is false but R is true

Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A
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