Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. High, high Low, low High, low Low, high High, high Low, low High, low Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Frequency Volume of material Ambient temperature Steinmetz’s coefficient of material Frequency Volume of material Ambient temperature Steinmetz’s coefficient of material ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Initial rate of rise of current is doubled Time constant is halved Time constant remains unchanged Final steady current is doubled Initial rate of rise of current is doubled Time constant is halved Time constant remains unchanged Final steady current is doubled ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low retentivity Low hysteresis loss Low coercivity High coercivity Low retentivity Low hysteresis loss Low coercivity High coercivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it 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 Lowers their power efficiency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Susceptibility Permeability Reluctivity Permeance Susceptibility Permeability Reluctivity Permeance ANSWER DOWNLOAD EXAMIANS APP
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