Magnetic Circuit Hard steel is suitable for making permanent magnets because 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 Its mechanical strength is low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has High coercivity Low hysteresis loss Low retentivity Low coercivity High coercivity Low hysteresis loss Low retentivity Low coercivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 44.6 47.5 41.4 42.5 44.6 47.5 41.4 42.5 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. Low, high High, high High, low Low, low Low, high High, high High, low Low, low ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Molecular friction It high retentivity Flux density lagging behind magnetizing force Rapid reversals of its magnetization Molecular friction It high retentivity Flux density lagging behind magnetizing force Rapid reversals of its magnetization ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit A material for good magnetic memory should have High retentivity Low retentivity Low hysteresis loss High permeability High retentivity Low retentivity Low hysteresis loss High permeability ANSWER DOWNLOAD EXAMIANS APP
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