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 6 of 44

Q51.
Assertion (A): In imperfect capacitors, the current does not lead the applied ac voltage by 90°.
Reason (R): When subjected to ac fields, the dielectric constant can be expressed as ∈'r - j∈"r.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Q52.
In atomic physics, a state with l = 0 is called p state.
Discuss
Answer: (b).False
Discuss
Answer: (d).resistivity of silicon will be higher than that of germanium
Q54.
When an electric field E is applied to solid and liquid insulating materials, the internal field Ei acting at the location of atom is such that
Discuss
Answer: (b).Ei > E
Q55.
Which element exhibits the property of inertia?
Discuss
Answer: (c).Inductance
Discuss
Answer: (a).the residual induction and coercive field should be large
Q57.
In a coaxial cable, braided copper is used for
Discuss
Answer: (b).shield
Q58.
The hysteresis phenomenon in ferromagnetic materials exists at all temperatures.
Discuss
Answer: (b).False
Q59.
Assertion (A): Magnetic susceptibility of diamagnetic materials is much less than that of paramagnetic materials.
Reason (R): For diamagnetic as well as paramagnetic materials, μᵣ is nearly equal to 1.
Discuss
Answer: (a).Both A and R are true and R is correct explanation of A
Q60.
The conductivity of intrinsic semiconductor is given by
Discuss
Answer: (b).eni(μp + μn)
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