Magnetic Circuit The unit of retentivity is Weber Weber/sq. m Ampere turn/meter Ampere turns Weber Weber/sq. m Ampere turn/meter Ampere turns ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Lowers their power efficiency Leads to their increased weight Increases their cost of manufacture Produces fringing Lowers their power efficiency Leads to their increased weight Increases their cost of manufacture Produces fringing ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 47.5 42.5 41.4 44.6 47.5 42.5 41.4 44.6 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum At 63.2% of its maximum steady value After one time constant At the start of the current flow Near the final maximum value of current At 63.2% of its maximum steady value After one time constant At the start of the current flow Near the final maximum value of current ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductance is analogous to Flux Permeance Inductance Reluctance Flux Permeance Inductance Reluctance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Time constant remains unchanged Time constant is halved Final steady current is doubled Initial rate of rise of current is doubled Time constant remains unchanged Time constant is halved Final steady current is doubled Initial rate of rise of current is doubled ANSWER DOWNLOAD EXAMIANS APP
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