Magnetic Circuit Silicon steel is used in electrical machines because it has Low hysteresis loss Low retentivity High coercivity Low coercivity Low hysteresis loss Low retentivity High coercivity Low coercivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because Its mechanical strength is high It has good residual magnetism Its mechanical strength is low Its hysteresis loop has large area Its mechanical strength is high It has good residual magnetism Its mechanical strength is low Its hysteresis loop has large area ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis Ferrites have high resistance Ferrites have low permeability Ferrites have high resistance None of the listed here Ferrites have high resistance Ferrites have low permeability Ferrites have high resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Hysteresis loss All of the listed here Eddy current loss Copper loss Hysteresis loss All of the listed here Eddy current loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum After one time constant At the start of the current flow At 63.2% of its maximum steady value Near the final maximum value of current After one time constant At the start of the current flow At 63.2% of its maximum steady value Near the final maximum value of current ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Conductivity Resistance Resistivity Conductance Conductivity Resistance Resistivity Conductance ANSWER DOWNLOAD EXAMIANS APP