Magnetic Circuit An air gap is usually inserted in magnetic circuits to Prevent saturation Increase m.m.f. Increase the flux None of the listed here Prevent saturation Increase m.m.f. Increase the flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Reluctivity Permeability Permeance Susceptibility Reluctivity Permeability Permeance Susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Increases their cost of manufacture Lowers their power efficiency Produces fringing Leads to their increased weight Increases their cost of manufacture Lowers their power efficiency Produces fringing Leads to their increased weight 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 50 500 20 70 50 500 20 70 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
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 42.5 41.4 44.6 47.5 42.5 41.4 44.6 47.5 ANSWER DOWNLOAD EXAMIANS APP