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 Conductance is analogous to Inductance Reluctance Flux Permeance Inductance Reluctance Flux Permeance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to None of the listed here Increase the flux Increase m.m.f. Prevent saturation None of the listed here Increase the flux Increase m.m.f. Prevent saturation 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, high High, low Low, high Low, low High, high High, low Low, high Low, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than 10 Less than one More than one More than 100 Ωr 1000 More than 10 Less than one More than one More than 100 Ωr 1000 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Frequency Ambient temperature Volume of material Steinmetz’s coefficient of material Frequency Ambient temperature Volume of material Steinmetz’s coefficient of material ANSWER DOWNLOAD EXAMIANS APP