A material for good magnetic memory should have____________?

Related Mcqs:

Hard steel is suitable for making permanent magnets because_____________?

A. it has good residual magnetism B. its hysteresis loop has large area C. its mechanical strength is high D. its mechanical strength is low...

Conductance is analogous to_____________?

A. permeance B. reluctance C. flux D. inductance...

The unit of reluctance is_____________?

A. metre/henry B. henry/metre C. henry D. 1/henry...

In a magnetic material hysteresis loss takes place primarily due to___________?

A. rapid reversals of its magnetisation B. flux density lagging behind magnetising force C. molecular friction D. it high retentivity...

An air gap is usually inserted in magnetic circuits to____________?

A. increase m.m.f. B. increase the flux C. prevent saturation D. none of the above...