Magnetic Circuit The rate of rise of current through an inductive coil is maximum 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 At 63.2% of its maximum steady value ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. Low, low High, high High, low Low, high Low, low High, high High, low Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Susceptibility Reluctivity Permeability Permeance Susceptibility Reluctivity Permeability Permeance 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 The relative permeability of a ferromagnetic material is More than 10 More than one Less than one More than 100 Ωr 1000 More than 10 More than one Less than one More than 100 Ωr 1000 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because It has good residual magnetism Its mechanical strength is high Its mechanical strength is low Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is high Its mechanical strength is low Its hysteresis loop has large area ANSWER DOWNLOAD EXAMIANS APP
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