Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Conductance Resistance Resistivity Conductivity Conductance Resistance Resistivity Conductivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because It has good residual magnetism Its mechanical strength is high Its hysteresis loop has large area Its mechanical strength is low It has good residual magnetism Its mechanical strength is high Its hysteresis loop has large area Its mechanical strength is low 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 500 50 20 70 500 50 20 70 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Weber Henry Ampere-turn/weber Ampere/metre Weber Henry Ampere-turn/weber Ampere/metre 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
Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. Low, low High, high Low, high High, low Low, low High, high Low, high High, low ANSWER DOWNLOAD EXAMIANS APP