Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. High, high High, low Low, low Low, high High, high High, low Low, low Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis 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 Ferrites have high resistance Ferrites have low permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. High, low Low, high High, high Low, low High, low Low, high High, high Low, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Flux density lagging behind magnetizing force Rapid reversals of its magnetization It high retentivity Molecular friction Flux density lagging behind magnetizing force Rapid reversals of its magnetization It high retentivity Molecular friction ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Initial rate of rise of current is doubled Time constant remains unchanged Final steady current is doubled Time constant is halved Initial rate of rise of current is doubled Time constant remains unchanged Final steady current is doubled Time constant is halved ANSWER DOWNLOAD EXAMIANS APP