Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Final steady current is doubled Initial rate of rise of current is doubled Time constant remains unchanged Time constant is halved Final steady current is doubled Initial rate of rise of current is doubled Time constant remains unchanged Time constant is halved 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 50 500 20 70 50 500 20 70 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because Its mechanical strength is low Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is high Its mechanical strength is low Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The property of a material which opposes the creation of magnetic flux in it is known as Permeance Reluctance Reluctivity Magneto-motive force Permeance Reluctance Reluctivity Magneto-motive force 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 Produces fringing Leads to their increased weight Lowers their power efficiency Increases their cost of manufacture Produces fringing Leads to their increased weight Lowers their power efficiency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Permeability Retentivity Resistivity Inductance Permeability Retentivity Resistivity Inductance ANSWER DOWNLOAD EXAMIANS APP
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