A ferrite core has less eddy current loss than an iron core because_______________?

Related Mcqs:

Those materials are well suited for making permanent magnets which have ________ retentivity and _________ coercivity

A. low, high B. high, high C. high, low D. low, low...

Silicon steel is used in electrical machines because it has_____________?

A. low coercivity B. low retentivity C. low hysteresis loss D. high coercivity...

Reciprocal of reluctance is_______________?

A. reluctivity B. permeance C. permeability D. susceptibility...

If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be____________?

A. zero B. small C. large D. none of the above...

A material for good magnetic memory should have____________?

A. low hysteresis loss B. high permeability C. low retentivity D. high retentivity...