Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Resistivity Conductivity Conductance Resistance Resistivity Conductivity Conductance Resistance ANSWER DOWNLOAD EXAMIANS APP
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 The unit of magnetic flux is Ampere-turn/weber Henry Ampere/metre Weber Ampere-turn/weber Henry Ampere/metre Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than one More than 100 Ωr 1000 More than 10 Less than one More than one More than 100 Ωr 1000 More than 10 Less than one ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Time constant is halved Time constant remains unchanged Initial rate of rise of current is doubled Final steady current is doubled Time constant is halved Time constant remains unchanged Initial rate of rise of current is doubled Final steady current is doubled ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Molecular friction Rapid reversals of its magnetization It high retentivity Flux density lagging behind magnetizing force Molecular friction Rapid reversals of its magnetization It high retentivity Flux density lagging behind magnetizing force ANSWER DOWNLOAD EXAMIANS APP
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