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 500 50 20 70 500 50 20 70 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 Lowers their power efficiency Leads to their increased weight Produces fringing Increases their cost of manufacture Lowers their power efficiency Leads to their increased weight ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase m.m.f. Increase the flux None of the listed here Prevent saturation Increase m.m.f. Increase the flux None of the listed here Prevent saturation 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 Energy stored by a coil is doubled when its current is increased by percent. 41.4 47.5 42.5 44.6 41.4 47.5 42.5 44.6 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 Conductivity Current density E.M.F Current Conductivity Current density E.M.F ANSWER DOWNLOAD EXAMIANS APP
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