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 20 500 50 70 20 500 50 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Weber Ampere/metre Ampere-turn/weber Henry Weber Ampere/metre Ampere-turn/weber Henry ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of reluctance is 1/Henry Henry Henry/meter Meter/Henry 1/Henry Henry Henry/meter Meter/Henry ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. Low, low High, low Low, high High, high Low, low High, low Low, high High, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis None of the listed here Ferrites have high resistance Ferrites have high resistance Ferrites have low permeability None of the listed here Ferrites have high resistance Ferrites have high resistance Ferrites have low permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber Ampere turn/meter Ampere turns Weber/sq. m Weber Ampere turn/meter Ampere turns Weber/sq. m ANSWER DOWNLOAD EXAMIANS APP