Electromagnetic Theory Dielectrics Online Exam Quiz
Electromagnetic Theory Dielectrics GK Quiz. Question and Answers related to Electromagnetic Theory Dielectrics. MCQ (Multiple Choice Questions with answers about Electromagnetic Theory Dielectrics
Find the dielectric constant for a material with electric susceptibility of 4.
Options
A : 3
B : 5
C : 8
D : 16
Find the mean free path of an electron travelling at a speed of 18m/s in 2 seconds.
Options
A : 9
B : 36
C : 0.11
D : 4.5
A dielectric can be made a conductor by
Options
A : Compression
B : Heating
C : Doping
D : Freezing
The magnetic field which destroys the superconductivity is called
Options
A : Diamagnetic field
B : Ferromagnetic field
C : Ferrimagnetic field
D : Critical field
Identify a good dielectric.
Options
A : Iron
B : Ceramics
C : Plastic
D : Magnesium
The superconducting materials will be independent of which of the following?
Options
A : Magnetic field
B : Electric field
C : Magnetization
D : Temperature
The magnetic susceptibility in a superconductor will be
Options
A : Positive
B : Negative
C : Zero
D : Infinity
For a dielectric which of the following properties hold good?
Options
A : They are superconductors at high temperatures
B : They are superconductors at low temperatures
C : They can never become a superconductor
D : They have very less dielectric breakdown voltage
A dielectric is always an insulator. But an insulator is not necessarily a dielectric. State True/False.
Options
A : True
B : False
C :
D :
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