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 The rate of rise of current through an inductive coil is maximum Near the final maximum value of current At 63.2% of its maximum steady value At the start of the current flow After one time constant Near the final maximum value of current At 63.2% of its maximum steady value At the start of the current flow After one time constant ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce Eddy current loss Hysteresis loss All of the listed here Copper loss Eddy current loss Hysteresis loss All of the listed here Copper loss 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 If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be Large Zero Small None of the listed here Large Zero Small None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have High retentivity High permeability Low hysteresis loss Low retentivity High retentivity High permeability Low hysteresis loss Low retentivity ANSWER DOWNLOAD EXAMIANS APP
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