A) Electrons only
B) Positive and negative ions
C) Electrons and positive ions
A) Electrons only
B) Positive and negative ions
C) Electrons and positive ions
A) Random movement of electrons in a conductor
B) Movement of free electrons predominately in one direction
C) pressure difference between two poles
D) the power that causes drift of electrons.
B) Increases armature speed
C) Reduces interpoles flux density
D) Results in sparking trouble
A) Rotary converter
B) Mercury are rectifier
C) Induction motor D.C. generator set
D) Synchronous motor D.C. generator set