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 40 of 44

Q391.
Assertion (A): If an atom of polarizability a is placed in homogeneous field E, the energy stored is 0.5 αE².

Reason (R): Capacitance of an isolated conducting sphere R in vacuum is 4 π∈₀ R farads.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Q392.
Which of the following are true for relative dielectric constant?

1. It is dimensionless.
2. It is equal to 1 for vacuum.
3.It is equal to 1 for all substances.
Discuss
Answer: (a).1 and 2 only
Q393.
Schrodinger wave equation is partial differential equation.
Discuss
Answer: (a).True
Q394.
Hall effect is observed in a specimen (metal or semi- conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is
Discuss
Answer: (a).normal to both current and magnetic field
Q395.
The capacitance of a capacitor is not affected by
Discuss
Answer: (b).thickness of plates
Q396.
The unit for mmf is

a.

A

b.

Wb

c.

T

d.

V

Discuss
Answer: (a).A
Q397.
A magnetic field exists around
Discuss
Answer: (a).moving charges
Q398.
A conductor carries 10 A current in + x direction and is lying in a field having a flux density 0.2 T directed along + z direction. The magnitude of force per metre length and direction are
Discuss
Answer: (b).2 N, - y direction
Discuss
Answer: (d).dependent on the concentration of minor component in the alloy
Discuss
Answer: (b).decreases with increase in light intensity