Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. High, high Low, high Low, low High, low High, high Low, high Low, low High, 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 20 70 50 500 20 70 50 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is Less than one More than 10 More than 100 Ωr 1000 More than one Less than one More than 10 More than 100 Ωr 1000 More than one ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Ambient temperature Frequency Volume of material Steinmetz’s coefficient of material Ambient temperature Frequency Volume of material Steinmetz’s coefficient of material ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The property of a material which opposes the creation of magnetic flux in it is known as Reluctivity Reluctance Permeance Magneto-motive force Reluctivity Reluctance Permeance Magneto-motive force ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to 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 Rapid reversals of its magnetization Molecular friction ANSWER DOWNLOAD EXAMIANS APP