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 34 of 44

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Q331.
For magnetic shielding, we need a ferromagnetic material.
Discuss
Answer: (a).True
Q332.
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
Discuss
Answer: (c).are shared by all atoms
Q334.
All magnetic materials exhibit the phenomenon of saturation.
Discuss
Answer: (a).True
Discuss
Answer: (d).ionic crystals, valence crystals, metal and vander wall crystals
Q336.
The units for intrinsic strength of dielectric are
Discuss
Answer: (b).kV/m
Discuss
Answer: (b).1.64 x 10¯โธ ฮฉ-m
Q338.
The v-i relation for an arc is v = 44 + 30/i . If v = 50 V, i =
Discuss
Answer: (b).5 A
Q339.
Assertion (A): If an electron having charge e is revolving in an orbit of radius R and with angular velocity ฯ‰, the magnetic dipole moment of orbit is 0.5 eฯ‰R².

Reason (R): Orbital angular momentum and magnetic dipole moment are always equal.
Discuss
Answer: (c).A is true but R is false
Q340.
Assertion (A): A capacitor with imperfect dielectric can be represented by a capacitance in parallel with resistance.

Reason (R): For imperfect dielectrics, dielectric constant has real and imaginary parts.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A