Magnetic Circuit The rate of rise of current through an inductive coil is maximum Near the final maximum value of current After one time constant At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current After one time constant At 63.2% of its maximum steady value At the start of the current flow ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. Low, low High, low Low, high High, high Low, low High, low Low, high High, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis Ferrites have high resistance Ferrites have low permeability None of the listed here Ferrites have high resistance Ferrites have high resistance Ferrites have low permeability None of the listed here Ferrites have high resistance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Resistivity Inductance Permeability Retentivity Resistivity Inductance Permeability 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 20 500 50 70 20 500 50 70 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 47.5 41.4 42.5 44.6 47.5 41.4 42.5 44.6 ANSWER DOWNLOAD EXAMIANS APP
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