Magnetic Circuit A material for good magnetic memory should have High permeability Low hysteresis loss High retentivity Low retentivity High permeability Low hysteresis loss High retentivity Low retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than 100 Ωr 1000 More than 10 More than one Less than one More than 100 Ωr 1000 More than 10 More than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because Its mechanical strength is high Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is low Its mechanical strength is high Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Flux density lagging behind magnetizing force It high retentivity Molecular friction Rapid reversals of its magnetization Flux density lagging behind magnetizing force It high retentivity Molecular friction Rapid reversals of its magnetization ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Ampere turn/meter Weber/sq. m Weber Ampere turns Ampere turn/meter Weber/sq. m Weber Ampere turns ANSWER DOWNLOAD EXAMIANS APP
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