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 31 of 44

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Discuss
Answer: (c).are produced phosphorus as impurity is added to silicon
Q302.
The most important primary force of attraction in the formation of solids is
Discuss
Answer: (b).electrostatic
Q303.
When two conductors carry currents in the same direction the force is repulsive.
Discuss
Answer: (b).False
Q304.
The number of turns in a coil is doubled. If initial time constant is T, the new time constant is
Discuss
Answer: (b).2T
Q305.
When a trivalent impurity is added, the semiconductor becomes
Discuss
Answer: (a).p type
Q306.
Iron has a body centred cubic structure.
Discuss
Answer: (a).True
Q307.
The units of polarization of dielectric are
Discuss
Answer: (a).C/m²
Q308.
When a potential is applied across an intrinsic semiconductor, holes flow
Discuss
Answer: (b).away from positive terminal
Q309.
For magnetic shielding, we need a ferromagnetic material.
Discuss
Answer: (a).True
Q310.
Assertion (A): Electronic polarizability increases as atoms becomes larger.

Reason (R): For rare gas, โˆˆโ‚€(โˆˆแตฃ - 1) E = Nฮฑe, where N is number of atoms/m³ and ฮฑe is electronic polarizability of material.
Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A