A. volume of material
B. frequency
C. steinmetz coefficient of material
D. ambient temperature
Hysteresis loss least depends on____________? Read More »
Magnetic Circuit A. metre/henry
B. henry/metre
C. henry
D. 1/henry
The unit of reluctance is_____________? Read More »
Magnetic Circuit A. reluctivity
B. permeance
C. permeability
D. susceptibility
Reciprocal of reluctance is_______________? Read More »
Magnetic Circuit A. reluctivity
B. magnetomotive force
C. permeance
D. reluctance
A. low coercivity
B. low retentivity
C. low hysteresis loss
D. high coercivity
Silicon steel is used in electrical machines because it has_____________? Read More »
Magnetic Circuit A. ferrites have high resistance
B. ferrites are magnetic
C. ferrites have low permeability
D. ferrites have high hysteresis
A ferrite core has less eddy current loss than an iron core because_______________? Read More »
Magnetic Circuit A. copper loss
B. eddy current loss
C. hysteresis loss
D. all of the above
Laminated cores, in electrical machines, are used to reduce____________? Read More »
Magnetic Circuit A. E.m.f.
B. Current
C. Current density
D. Conductivity
A. weber
B. weber/sq. m
C. ampere turn/meter
D. ampere turn
The unit of retentivity is____________? Read More »
Magnetic Circuit A. permeance
B. reluctance
C. flux
D. inductance
Conductance is analogous to_____________? Read More »
Magnetic Circuit