Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Conductance Conductivity Resistance Resistivity Conductance Conductivity Resistance Resistivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce All of the listed here Eddy current loss Hysteresis loss Copper loss All of the listed here Eddy current loss Hysteresis loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled Time constant is halved 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 20 500 70 50 20 500 70 50 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis 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 Ferrites have high resistance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material ANSWER DOWNLOAD EXAMIANS APP