Magnetic Circuit Silicon steel is used in electrical machines because it has High coercivity Low retentivity Low hysteresis loss Low coercivity High coercivity Low retentivity Low hysteresis loss Low coercivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Produces fringing Increases their cost of manufacture Leads to their increased weight Lowers their power efficiency Produces fringing Increases their cost of manufacture Leads to their increased weight Lowers their power efficiency ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Flux density lagging behind magnetizing force Rapid reversals of its magnetization It high retentivity Molecular friction Flux density lagging behind magnetizing force Rapid reversals of its magnetization It high retentivity Molecular friction ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Permeance Permeability Susceptibility Reluctivity Permeance Permeability Susceptibility Reluctivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current After one time constant At 63.2% of its maximum steady value At the start of the current flow Near the final maximum value of current After one time constant ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The property of a material which opposes the creation of magnetic flux in it is known as Magneto-motive force Reluctance Reluctivity Permeance Magneto-motive force Reluctance Reluctivity Permeance ANSWER DOWNLOAD EXAMIANS APP
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