Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Electronics and Communication Engineering
»
Materials and Components
Magnetic hysteresis phenomenon is explained by
motion of domain walls
motion of domain walls and domain rotation
domain rotation
none of the above
Correct Answer:
motion of domain walls and domain rotation
← Previous Question
Next Question→
More Questions from
Materials and Components
The relative permeability of a ferromagnetic material is
Some ceramic materials become superconducting
As the temperature of semiconductor is increased
For an insulating material, dielectric strength and dielectric losses should be
Macroscopic quantities of a given material
Assertion (A): Ferrites are very useful at very high frequencies. Reason (R): Ferrites have high permeability and high resistivity.
If v is velocity of electron, ε0 is absolute permittivity, m is mass of electron, e is charge on electron and r is the radius of orbit of electron in hydrogen atom, the stability of orbit requires the following equation to be satisfied
Assertion (A): For a dielectric, P = ∈0(∈r - 1) E. Reason (R): Dipole moment per unit volume is called polarization of dielectric.
Eddy current loss is
Consider the following statement: In case of a superconductor B = 0 μr is high diamagnetism is high transition temperature varies with isotopic mass. Of the above statements
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments