Conductance is analogous to? Mark as favorite Copy Link permeance reluctance flux inductance Check Answer
An air gap is usually inserted in magnetic circuits to? Mark as favorite Copy Link increase m.m.f. increase the flux prevent saturation none of the above Check Answer
The area of hysteresis loss is a measure of? Mark as favorite Copy Link permittivity permeance energy loss per cycle magnetic flux Check Answer
A ferrite core has less eddy current loss than an iron core because? Mark as favorite Copy Link ferrites have high resistance ferrites are magnetic ferrites have low permeability ferrites have high hysteresis Check Answer
A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is? Mark as favorite Copy Link rotating alternating pulsating any of the above Check Answer
The magnetising force (H) and magnetic flux density (B) are connected by the relation? Mark as favorite Copy Link B = ?rH/?o B = ?H B = H/ ?o?r B = ?oH/?r Check Answer
Silicon steel is used in electrical machines because it has? Mark as favorite Copy Link low coercivity low retentivity low hysteresis loss high coercivity Check Answer
Relative permeability of vacuum is? Mark as favorite Copy Link 1 1 W/m 1/4? 4? x 10-7 H/m Check Answer