What provide(s) the magnetic field necessary for the operation of a DC machine?
A) brushes
B) pole pieces
C) the armature
D) the case
Correct Answer:
Verified
Q10: Armatures are wound to provide high voltage,
Q11: The output voltage of a generator is
Q12: A compound generator has both series and
Q13: The rotating part of a generator is
Q14: A generator containing both series and shunt
Q15: _ is a measure of the useful
Q16: The _ ride against the commutator segments
Q17: Shunt generators contain only a shunt field
Q19: Shunt field windings are connected in parallel
Q20: What is the component of a DC
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