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 19 of 44

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Q181.
Electrical conductivity of metals expressed in ohm¯¹ m¯¹ is of the order of

a.

10¹แดผ

b.

10โต

c.

10¯โด

d.

10¯โถ

Discuss
Answer: (b).10โต
Q182.
In a metal the probability of a state 0.1 eV below Fermi level being occupied

a.

is more than the probability of state 0.1 eV above Fermi level being occupied

b.

is the same as the probability of state 0.1 eV above Fermi level being occupied

c.

is less than the probability of state 0.1 eV above Fermi level being occupied

d.

may be equal to or more or less than the probability of state 0.1 eV above Fermi level being occupied

Discuss
Answer: (a).is more than the probability of state 0.1 eV above Fermi level being occupied
Q183.
An homogeneous dielectric material is subjected to an electric field E. If a small cavity is made inside the material, the electric field intensity inside and outside the cavity are different.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q184.
A dielectric is subjected to alternating field. The dielectric losses are potential to

a.

real part of dielectric constant

b.

imaginary part of dielectric constant

c.

both real and imaginary parts of dielectric constant

d.

either real or imaginary part of dielectric constant

Discuss
Answer: (b).imaginary part of dielectric constant
Q185.
If there are no permanent dipoles in a dielectric material, the dielectric constant is independent of temperature.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q186.
Assertion (A): Magnetic susceptibility of copper is -0.5 x 10¯โต.

Reason (R): Copper is diamagnetic material.

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
Q187.
An electron shell corresponding to principal quantum number n can contain a maximum of

a.

n² electrons

b.

2n² electrons

c.

2n electron

d.

n³ electron

Discuss
Answer: (b).2n² electrons
Q188.
A sheet of bakelite is inserted between the plates of an air capacitor. The capacitance will

a.

increase

b.

decrease

c.

remain the same

d.

may increase or decrease

Discuss
Answer: (a).increase
Q189.
The spin angular momentum along a given direction is either +h/4ฯ€ or -h/4ฯ€ .

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q190.
Assertion (A): Diamond and carborudum are both very hard materials.

Reason (R): Valence band can be extremely strong.

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
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