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
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Flux density lagging behind magnetizing force 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit? Current density E.M.F Current Conductivity Current density E.M.F Current Conductivity 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, low Low, low High, high Low, high High, low Low, low High, high Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Copper loss Eddy current loss All of the listed here Hysteresis loss Copper loss Eddy current loss All of the listed here Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be Large Zero None of the listed here Small Large Zero None of the listed here Small ANSWER DOWNLOAD EXAMIANS APP
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