Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Lowers their power efficiency Produces fringing Increases their cost of manufacture Leads to their increased weight Lowers their power efficiency Produces fringing Increases their cost of manufacture Leads to their increased weight ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have High permeability High retentivity Low retentivity Low hysteresis loss High permeability High retentivity Low retentivity Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 42.5 47.5 41.4 44.6 42.5 47.5 41.4 44.6 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Hysteresis loss All of the listed here Copper loss Eddy current loss Hysteresis loss All of the listed here Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of 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 Time constant remains unchanged Time constant is halved ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to None of the listed here Increase the flux Increase m.m.f. Prevent saturation None of the listed here Increase the flux Increase m.m.f. Prevent saturation ANSWER DOWNLOAD EXAMIANS APP
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