Magnetic Circuit The rate of rise of current through an inductive coil is maximum At the start of the current flow After one time constant Near the final maximum value of current At 63.2% of its maximum steady value At the start of the current flow After one time constant Near the final maximum value of current 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. High, high Low, low High, low Low, high High, high Low, low High, low Low, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The unit of retentivity is Weber Weber/sq. m Ampere turn/meter Ampere turns Weber Weber/sq. m Ampere turn/meter Ampere turns ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than 10 Less than one More than one More than 100 Ωr 1000 More than 10 Less than one More than one More than 100 Ωr 1000 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductance is analogous to Permeance Inductance Flux Reluctance Permeance Inductance Flux Reluctance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is ___________Vs 50 70 20 500 50 70 20 500 ANSWER DOWNLOAD EXAMIANS APP
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