Magnetic Circuit The unit of retentivity is Weber Ampere turns Weber/sq. m Ampere turn/meter Weber Ampere turns Weber/sq. m Ampere turn/meter ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit When both the inductance and resistance of a coil are doubled the value of Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled Time constant is halved Final steady current is doubled Time constant remains unchanged Initial rate of rise of current is doubled ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Permeance Susceptibility Reluctivity Permeability Permeance Susceptibility Reluctivity Permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has High coercivity Low coercivity Low hysteresis loss Low retentivity High coercivity Low coercivity Low hysteresis loss Low retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis Ferrites have high resistance 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 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
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