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 20 of 44

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Q191.
The resistivity of intrinsic semiconductors, at room temperature, is of the order of
Discuss
Answer: (a).1 ฮฉ-m
Discuss
Answer: (a).an atom is essentially empty
Q193.
To produce magnetic flux, mmf is necessary.
Discuss
Answer: (a).True
Q194.
Semiconductors have a positive temperature coefficient of resistivity.
Discuss
Answer: (b).False
Q195.
An electrolytic capacitor can be used for
Discuss
Answer: (b).dc only
Q196.
As regards ferromagnetic Curie temperature Qf and paramagnetic curie temperature ฮธ
Discuss
Answer: (b).ฮธ > Qf
Q197.
The iron core of a coil is removed so that it becomes an air cored coil. Its inductance will
Discuss
Answer: (b).decrease
Discuss
Answer: (a).having a diameter equal to 1 miles
Q199.
In an hydrogen atom, an electron moves in the field of a proton. The stability of orbit requires equilibrium between coulomb's force and centrifugal force.
Discuss
Answer: (a).True
Q200.
For small size high frequency coils, the most common core material is
Discuss
Answer: (a).air