The unit of reluctance is? Mark as favorite Copy Link metre/henry henry/metre henry 1/henry Check Answer
Hard steel is suitable for making permanent magnets because? Mark as favorite Copy Link it has good residual magnetism its hysteresis loop has large area its mechanical strength is high its mechanical strength is low Check Answer
The property of a material which opposes the creation of magnetic flux in it is known as? Mark as favorite Copy Link reluctivity magnetomotive force permeance reluctance Check Answer
Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it? Mark as favorite Copy Link lowers their power efficiency increases their cost of manufacture leads to their increased weight produces fringing Check Answer
Hysteresis loss least depends on? Mark as favorite Copy Link volume of material frequency steinmetz coefficient of material ambient temperature Check Answer
Those materials are well suited for making permanent magnets which have retentivity and coercivity? Mark as favorite Copy Link low, high high, high high, low low, low Check Answer
Conductivity is analogous to? Mark as favorite Copy Link retentivity resistivity permeability inductance Check Answer
The rate of rise of current through an inductive coil is maximum? Mark as favorite Copy Link at 63.2% of its maximum steady value at the start of the current flow after one time constant near the final maximum value of current Check Answer
Permeance is to reluctance as conductance is to? Mark as favorite Copy Link ampere turns inductance capacitance resistance Check Answer
Energy stored by a coil is doubled when its current is increased by percent? Mark as favorite Copy Link 25 41.4 50 100 Check Answer