- (A) increase m.m.f.
- (B) increase the flux
- (C) prevent saturation
- (D) none of the above
Electrical Engineering Mcqs
- (A) rapid reversals of its magnetisation
- (B) flux density lagging behind magnetising force
- (C) molecular friction
- (D) it high retentivity
- (A) volume of material
- (B) frequency
- (C) steinmetz coefficient of material
- (D) ambient temperature
- (A) metre/henry
- (B) henry/metre
- (C) henry
- (D) 1/henry
- (A) reluctivity
- (B) permeance
- (C) permeability
- (D) susceptibility
- (A) reluctivity
- (B) magnetomotive force
- (C) permeance
- (D) reluctance
- (A) low coercivity
- (B) low retentivity
- (C) low hysteresis loss
- (D) high coercivity
- (A) ferrites have high resistance
- (B) ferrites are magnetic
- (C) ferrites have low permeability
- (D) ferrites have high hysteresis
- (A) copper loss
- (B) eddy current loss
- (C) hysteresis loss
- (D) all of the above
- (A) E.m.f.
- (B) Current
- (C) Current density
- (D) Conductivity
