A. ferromagnetic materials
B. ferrites
C. non-ferrous materials
D. diamagnetic materials
Related Mcqs:
- Substances which have permeability less than the permeability of free space are known as_____________?
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. bipolar - The relative permeability of materials is not constant
A. diamagnetic
B. paramagnetic
C. ferromagnetic
D. insulating - The unit of relative permeability is_____________?
A. henry/metre
B. henry
C. henry/sq. m
D. it is dimensionless - The initial permeability of an iron rod is________________?
A. the highest permeability of the iron rod
B. the lowest permeability of the iron rod
C. the permeability at the end of the iron rod
D. the permeability almost in non-magnetised state - Which of the following is expected to have the maximum permeability ?
A. Brass
B. Copper
C. Zinc
D. Ebonite - Reciprocal of permeability is____________?
A. reluctivity
B. susceptibility
C. permittivity
D. conductance - When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon____________?
A. resistance of the coil
B. motion of the magnet
C. number of turns of the coil
D. pole strength of the magnet - Paramagnetic materials have relative permeability________________?
A. slightly less than unity
B. equal to unity
C. slightly more than unity
D. equal to that ferromagnetic mate rials - Tesla is a unit of_____________?
A. field strength
B. inductance
C. flux density
D. flux - Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials
A. circular
B. triangular
C. rectangular
D. none of the above
