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 43 of 44

Q421.
If ∈ᵣ = ∈ᵣ' - j∈ᵣ" tan δ = ∈ᵣ'/∈ᵣ".
Discuss
Answer: (a).True
Q422.
As per Curie-Weiss law, the magnetic susceptibility of a material varies as
Discuss
Answer: (b).1/T
Q423.
The amount of time between the creation and recombination of a free electron and hole is called
Discuss
Answer: (b).life time
Q424.
A photoconductor is a
Discuss
Answer: (b).semiconductor
Q425.
Assertion (A): Both sodium and ferrous are ferromagnetic.

Reason (R): Both sodium and ferrous have body centred cubic structure.
Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A
Q426.
For iron, the ferromagnetic Curie temperature is
Discuss
Answer: (d).about 1000 K
Q427.
The probability of recombination of electrons and holes in a semiconductor is proportional to
Discuss
Answer: (c).density of electrons and holes
Q428.
Assertion (A): The regular or irregular stacking of atoms has importanteffect on properties of materials.

Reason (R): The arrangement of atoms in a given material can be studied using X-rays.
Discuss
Answer: (b).Both A and R are true but R is not correct explanation of A
Q429.
If temperature is increased, the temperature coefficient of a metal
Discuss
Answer: (b).decreases
Discuss
Answer: (b).decreases transition temperature