Magnetic Circuit An air gap is usually inserted in magnetic circuits to None of the listed here Increase the flux Prevent saturation Increase m.m.f. None of the listed here Increase the flux Prevent saturation Increase m.m.f. ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Rapid reversals of its magnetization Molecular friction Flux density lagging behind magnetizing force It high retentivity Rapid reversals of its magnetization Molecular friction Flux density lagging behind magnetizing force It high retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Inductance Permeability Resistivity Retentivity Inductance Permeability Resistivity Retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Resistance Conductivity Resistivity Conductance Resistance Conductivity Resistivity Conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than 100 Ωr 1000 Less than one More than 10 More than one More than 100 Ωr 1000 Less than one More than 10 More than one 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 70 500 50 20 70 500 50 20 ANSWER DOWNLOAD EXAMIANS APP