This set of Engineering Materials Science "Multiple Choice Questions & Answers" are based on "ELECTRICAL PROPERTY OF MATERIALS"
ELECTRICAL PROPERTY OF MATERIALS
Multiple Choice Questions (MCQ)
Hello reader, here you can find some MCQ with answers. But before reading this I will suggest you take a practice test on these questions given below. so you can understand your strength on this topic.
Click here to go Practice Test section on this topic namely Electrical Property of Materials.
But if you want to read this topic first and then practice it then read it carefully. The Multiple Choice Questions (MCQ) based on Electrical Property of Materials are given below:
PART - VII
1) Most ionic materials are generally
Correct Answer is "C"
Most ionic materials are generally insulative even at elevated temperatures.
2) The conductivity of a conducting polymer is possible as high as
Correct Answer is "D"
The conductivity of a conducting polymer is possible as high as 1.5 × 107.
3) The value of permittivity of vacuum in F/m is
Correct Answer is "B"
The value of permittivity of vacuum is 8.854 × 10-12 F/m
4) The value of dielectric constant is
Correct Answer is "D"
The value of the dielectric constant is less than 1
5) The primary unit of Capacitance is
Correct Answer is "A"
The primary unit of Capacitance is s2.C2/kg.m2
6) The unit of dielectric constant is
Correct Answer is "C"
The dielectric constant is the ratio of the permittivity of the dielectric medium to the permittivity of vacuum, so it is dimensionless.
7) The primary unit of permittivity is
Correct Answer is "B"
The primary unit of permittivity is s2.C2/kg.m3
8) The absorption of electrical charge by a dielectric material that is subjected to an alternating electric field is termed as
Correct Answer is "B"
The absorption of electrical charge by a dielectric material that is subjected to an alternating electric field is termed as dielectric loss
9) Ceramic materials have a dielectric constant in the range of
Correct Answer is "C"
Ceramic materials have a dielectric constant in the range of 6-10
10) Polymer materials have a dielectric constant in the range of
Correct Answer is "B"
Polymer materials have a dielectric constant in the range of 2-5
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