Magnetic Circuit The rate of rise of current through an inductive coil is maximum Near the final maximum value of current At 63.2% of its maximum steady value At the start of the current flow After one time constant Near the final maximum value of current At 63.2% of its maximum steady value At the start of the current flow After one time constant 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 Reciprocal of reluctance is Reluctivity Permeability Permeance Susceptibility Reluctivity Permeability Permeance Susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Ampere turn/meter Weber/sq. m Ampere turns Weber Ampere turn/meter Weber/sq. m Ampere turns Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have Low hysteresis loss High permeability High retentivity Low retentivity Low hysteresis loss High permeability High retentivity Low retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Produces fringing Increases their cost of manufacture Lowers their power efficiency Leads to their increased weight Produces fringing Increases their cost of manufacture Lowers their power efficiency Leads to their increased weight ANSWER DOWNLOAD EXAMIANS APP
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