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