Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase m.m.f. Increase the flux Prevent saturation None of the listed here Increase m.m.f. Increase the flux Prevent saturation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Ampere turns Weber/sq. m Weber Ampere turn/meter Ampere turns Weber/sq. m Weber Ampere turn/meter ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. Low, high Low, low High, high High, low Low, high Low, low High, high High, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Permeability Retentivity Resistivity Inductance Permeability Retentivity Resistivity Inductance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum 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 Near the final maximum value of current At the start of the current flow ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Resistance Conductance Conductivity Resistivity Resistance Conductance Conductivity Resistivity ANSWER DOWNLOAD EXAMIANS APP