Magnetic Circuit Hysteresis loss least depends on Steinmetz’s coefficient of material Frequency Ambient temperature Volume of material Steinmetz’s coefficient of material Frequency Ambient temperature Volume of material 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 A material for good magnetic memory should have High retentivity High permeability Low hysteresis loss Low retentivity High retentivity High permeability Low hysteresis loss Low retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Eddy current loss Hysteresis loss Copper loss All of the listed here Eddy current loss Hysteresis loss Copper loss All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than 10 More than 100 Ωr 1000 More than one Less than one More than 10 More than 100 Ωr 1000 More than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to Prevent saturation Increase the flux Increase m.m.f. None of the listed here Prevent saturation Increase the flux Increase m.m.f. None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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