Magnetic Circuit Silicon steel is used in electrical machines because it has High coercivity Low retentivity Low hysteresis loss Low coercivity High coercivity Low retentivity Low hysteresis loss Low coercivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 44.6 41.4 42.5 47.5 44.6 41.4 42.5 47.5 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum After one time constant At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current After one time constant At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Ampere/metre Ampere-turn/weber Weber Henry Ampere/metre Ampere-turn/weber Weber Henry ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Conductance Resistance Resistivity Conductivity Conductance Resistance Resistivity Conductivity ANSWER DOWNLOAD EXAMIANS APP