MCQs on DC Machine

Why DC motors have open slots? what are slot wedges in a dc machine made of The Core of DC machine is made of ferromagnetic material So, the residual magnetism exists after magnetization In ferromagnetic materials, the what are lines in slot machines b) to reduce eddy current loss c) to reduce the mass d) to reduce the inductance ANS:B 22) What are slot wedges in a dc machine made of? a) mild steel b

what does changing the denomination on a slot machine do In DC machines, slot wedges are generally made of silicon steel fibre impregnated paper cotton Answer B 10 The number of