Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to It high retentivity Rapid reversals of its magnetization Molecular friction Flux density lagging behind magnetizing force It high retentivity Rapid reversals of its magnetization Molecular friction Flux density lagging behind magnetizing force ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit? Current E.M.F Current density Conductivity Current E.M.F Current density Conductivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because Its mechanical strength is low It has good residual magnetism Its mechanical strength is high Its hysteresis loop has large area Its mechanical strength is low It has good residual magnetism Its mechanical strength is high Its hysteresis loop has large area ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low coercivity High coercivity Low hysteresis loss Low retentivity Low coercivity High 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 When both the inductance and resistance of a coil are doubled the value of 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 Time constant is halved Final steady current is doubled ANSWER DOWNLOAD EXAMIANS APP
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