Magnetic Circuit The rate of rise of current through an inductive coil is maximum Near the final maximum value of current At the start of the current flow At 63.2% of its maximum steady value After one time constant Near the final maximum value of current At the start of the current flow At 63.2% of its maximum steady value After one time constant ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because Its hysteresis loop has large area Its mechanical strength is high It has good residual magnetism Its mechanical strength is low Its hysteresis loop has large area Its mechanical strength is high It has good residual magnetism Its mechanical strength is low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Ampere turn/meter Ampere turns Weber Weber/sq. m Ampere turn/meter Ampere turns Weber Weber/sq. m ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. High, low Low, low High, high Low, high High, low Low, low High, high Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 47.5 44.6 41.4 42.5 47.5 44.6 41.4 42.5 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit? Conductivity Current E.M.F Current density Conductivity Current E.M.F Current density ANSWER DOWNLOAD EXAMIANS APP