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 70 20 50 500 70 20 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 Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Resistance Conductivity Resistivity Conductance Resistance Conductivity Resistivity Conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. High, high Low, low Low, high High, low High, high Low, low Low, high High, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Inductance Retentivity Permeability Resistivity Inductance Retentivity Permeability Resistivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Initial rate of rise of current is doubled Final steady current is doubled Time constant remains unchanged Time constant is halved Initial rate of rise of current is doubled Final steady current is doubled Time constant remains unchanged Time constant is halved ANSWER DOWNLOAD EXAMIANS APP
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