Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Hysteresis loss All of the listed here Copper loss Eddy current loss Hysteresis loss All of the listed here Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Volume of material Ambient temperature Steinmetz’s coefficient of material Frequency Volume of material Ambient temperature Steinmetz’s coefficient of material Frequency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit An air gap is usually inserted in magnetic circuits to None of the listed here Increase the flux Prevent saturation Increase m.m.f. None of the listed here Increase the flux Prevent saturation Increase m.m.f. ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of magnetic flux is Weber Ampere/metre Henry Ampere-turn/weber Weber Ampere/metre Henry Ampere-turn/weber ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low retentivity High coercivity Low coercivity Low hysteresis loss Low retentivity High coercivity Low coercivity Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum After one time constant Near the final maximum value of current At the start of the current flow At 63.2% of its maximum steady value After one time constant Near the final maximum value of current At the start of the current flow At 63.2% of its maximum steady value ANSWER DOWNLOAD EXAMIANS APP
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