Magnetic Circuit The unit of retentivity is Weber/sq. m Weber Ampere turn/meter Ampere turns Weber/sq. m Weber Ampere turn/meter Ampere turns 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 20 50 500 70 20 50 500 70 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. High, low Low, low High, high Low, high High, low Low, low High, high Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Lowers their power efficiency Increases their cost of manufacture Produces fringing Leads to their increased weight Lowers their power efficiency Increases their cost of manufacture Produces fringing Leads to their increased weight ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Steinmetz’s coefficient of material Ambient temperature Volume of material Frequency Steinmetz’s coefficient of material Ambient temperature Volume of material Frequency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of reluctance is Henry/meter Meter/Henry 1/Henry Henry Henry/meter Meter/Henry 1/Henry Henry ANSWER DOWNLOAD EXAMIANS APP
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