Magnetic Circuit The relative permeability of a ferromagnetic material is More than one 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber Weber/sq. m Ampere turns Ampere turn/meter Weber Weber/sq. m Ampere turns Ampere turn/meter 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 70 500 20 50 70 500 20 50 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Steinmetz’s coefficient of material Frequency Ambient temperature Volume of material Steinmetz’s coefficient of material Frequency Ambient temperature Volume of material ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. Low, high High, low Low, low High, high Low, high High, low Low, low High, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The property of a material which opposes the creation of magnetic flux in it is known as Magneto-motive force Reluctance Permeance Reluctivity Magneto-motive force Reluctance Permeance Reluctivity ANSWER DOWNLOAD EXAMIANS APP
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