This set of Engineering Materials Science "Multiple Choice Questions & Answers" are based on "ELECTRICAL PROPERTY"
ELECTRICAL PROPERTY
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.
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 are given below:
PART - I
1) Which of the following represents Ohm’s law?
Correct Answer is "B"
Ohm’s law can be represented as,
V = IR
⇒ R = V/I
V = IR
⇒ R = V/I
2) Ohm’s law is applicable to
Correct Answer is "B"
Ohm’s law is applicable to Insulator and conductor.
3) The resistance of a material depends on its
Correct Answer is "D"
The resistance of a material depends on its Length, Area of cross-section, and Resistivity.
4) The resistivity of a material depends on its
Correct Answer is "C"
The resistivity of a material depends on its Material property.
5) Ohm’s law relates the electric field E, conductivity σ, and current density J as
Correct Answer is "A"
Ohm’s law relates the electric field E, conductivity σ and current density J as J = σ E
6) The opposition of current flow is known as
Correct Answer is "D"
The opposition of current flow is known as Resistance
7) Conductance is the reciprocal of
Correct Answer is "C"
Conductance is the reciprocal of Resistance
8) Which of the following is indicative of the ease with which a material is capable of conducting an electric current?
Correct Answer is "B"
Conductivity is indicative of the ease with which a material is capable of conducting an electric current.
9) Unit of conductivity is
Correct Answer is "A"
Unit of conductivity is (ohm.m)-1 or S/m
10) Unit of electric field intensity is
Correct Answer is "B"
The unit of electric field intensity is V/m.
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