Magnetic Circuit The relative permeability of a ferromagnetic material is More than one Less than one More than 10 More than 100 Ωr 1000 More than one Less than one More than 10 More than 100 Ωr 1000 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is ___________Vs 50 70 20 500 50 70 20 500 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Volume of material Ambient temperature Steinmetz’s coefficient of material Frequency Volume of material Ambient temperature Steinmetz’s coefficient of material Frequency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis Ferrites have high resistance Ferrites have high resistance None of the listed here Ferrites have low permeability Ferrites have high resistance Ferrites have high resistance None of the listed here Ferrites have low permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have Low hysteresis loss Low retentivity High retentivity High permeability Low hysteresis loss Low retentivity High retentivity High permeability ANSWER DOWNLOAD EXAMIANS APP