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 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 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 High, low Low, low Low, high High, high High, low Low, low Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of 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 Initial rate of rise of current is doubled ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Henry Ampere/metre Ampere-turn/weber Weber Henry Ampere/metre Ampere-turn/weber Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low retentivity Low coercivity Low hysteresis loss High coercivity Low retentivity Low coercivity Low hysteresis loss High coercivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Conductivity Conductance Resistivity Resistance Conductivity Conductance Resistivity Resistance ANSWER DOWNLOAD EXAMIANS APP
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