Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. Low, high High, high Low, low High, low Low, high High, high Low, low High, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit? Current E.M.F Current density Conductivity Current E.M.F Current density Conductivity 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 Leads to their increased weight Lowers their power efficiency Produces fringing Increases their cost of manufacture Leads to their increased weight Lowers their power efficiency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber Ampere turns Ampere turn/meter Weber/sq. m Weber Ampere turns Ampere turn/meter Weber/sq. m ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have Low retentivity Low hysteresis loss High permeability High retentivity Low retentivity Low hysteresis loss High permeability High retentivity ANSWER DOWNLOAD EXAMIANS APP
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