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 32 of 44

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Q311.
The number of valence electrons in trivalent impurity is

a.

5

b.

4

c.

3

d.

1

Discuss
Answer: (c).3
Q312.
Soft iron is suitable for making temporary magnets.
Discuss
Answer: (a).True
Q313.
Antiferromagnetic materials do not have permanent dipoles.
Discuss
Answer: (b).False
Q314.
The Ohm's law for conduction in metals is
Discuss
Answer: (a).J = ฯƒE
Q315.
The measurement of Hall coefficient of a semiconductor with one type of charge carriers gives the information about
Discuss
Answer: (c).both sign and density of charge carrier
Q316.
โˆˆโ‚€ has no other physical meaning than that of a fundamental conversion factor.
Discuss
Answer: (a).True
Q317.
Which of the following is used in temperature alarm circuits?
Discuss
Answer: (a).Thermistor
Discuss
Answer: (c).are produced phosphorus as impurity is added to silicon
Q319.
The most important primary force of attraction in the formation of solids is
Discuss
Answer: (b).electrostatic
Q320.
When two conductors carry currents in the same direction the force is repulsive.
Discuss
Answer: (b).False