Magnetic Circuit An air gap is usually inserted in magnetic circuits to Increase m.m.f. Prevent saturation Increase the flux None of the listed here Increase m.m.f. Prevent saturation Increase the flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit The relative permeability of a ferromagnetic material is More than 10 Less than one More than 100 Ωr 1000 More than one More than 10 Less than one More than 100 Ωr 1000 More than one ANSWER DOWNLOAD EXAMIANS APP
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 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 After one time constant ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Conductance is analogous to Inductance Reluctance Flux Permeance Inductance Reluctance Flux Permeance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 47.5 42.5 41.4 44.6 47.5 42.5 41.4 44.6 ANSWER DOWNLOAD EXAMIANS APP