Magnetic Circuit The rate of rise of current through an inductive coil is maximum After one time constant At the start of the current flow At 63.2% of its maximum steady value Near the final maximum value of current After one time constant At the start of the current flow At 63.2% of its maximum steady value Near the final maximum value of current ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Ampere/metre Henry Weber Ampere-turn/weber Ampere/metre Henry Weber Ampere-turn/weber ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 42.5 41.4 44.6 47.5 42.5 41.4 44.6 47.5 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to None of the listed here Increase m.m.f. Prevent saturation Increase the flux None of the listed here Increase m.m.f. Prevent saturation Increase the flux ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Inductance Permeability Resistivity Retentivity Inductance Permeability Resistivity Retentivity 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 20 500 70 50 20 500 70 ANSWER DOWNLOAD EXAMIANS APP
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