Magnetic Circuit An air gap is usually inserted in magnetic circuits to None of the listed here Prevent saturation Increase m.m.f. Increase the flux None of the listed here Prevent saturation Increase m.m.f. Increase the flux ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Inductance Permeability Retentivity Resistivity Inductance Permeability Retentivity Resistivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Ambient temperature Steinmetz’s coefficient of material Volume of material Frequency Ambient temperature Steinmetz’s coefficient of material Volume of material Frequency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. Low, low High, high Low, high High, low Low, low High, high Low, high High, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be Small None of the listed here Large Zero Small None of the listed here Large Zero ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum After one time constant Near the final maximum value of current 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 At 63.2% of its maximum steady value At the start of the current flow ANSWER DOWNLOAD EXAMIANS APP