Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Leads to their increased weight Lowers their power efficiency Increases their cost of manufacture Produces fringing Leads to their increased weight Lowers their power efficiency Increases their cost of manufacture Produces fringing ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The rate of rise of current through an inductive coil is maximum After one time constant At the start of the current flow Near the final maximum value of current At 63.2% of its maximum steady value After one time constant At the start of the current flow Near the final maximum value of current At 63.2% of its maximum steady value 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, low Low, low High, high Low, high High, low Low, low High, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductivity is analogous to Resistivity Inductance Permeability Retentivity Resistivity Inductance Permeability Retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than 100 Ωr 1000 More than one Less than one More than 10 More than 100 Ωr 1000 More than one Less than one More than 10 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit In a magnetic material hysteresis loss takes place primarily due to Rapid reversals of its magnetization It high retentivity Flux density lagging behind magnetizing force Molecular friction Rapid reversals of its magnetization It high retentivity Flux density lagging behind magnetizing force Molecular friction ANSWER DOWNLOAD EXAMIANS APP
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