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 500 70 50 20 500 70 50 20 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have High permeability Low hysteresis loss Low retentivity High retentivity High permeability Low hysteresis loss Low retentivity High retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has High coercivity Low coercivity Low retentivity Low hysteresis loss High coercivity Low coercivity Low retentivity Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Conductance Conductivity Resistivity Resistance Conductance Conductivity Resistivity Resistance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is low Its mechanical strength is high Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is low Its mechanical strength is high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Henry Weber Ampere/metre Ampere-turn/weber Henry Weber Ampere/metre Ampere-turn/weber ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS