What type of excitation is used in the small universal commutator moto – McqOptions

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1.	What type of excitation is used in the small universal commutator motors and what type of supply is provided?
A.	parallel excitation, dc supply
B.	series excitation, dc or ac supply
C.	series excitation, ac supply
D.	parallel excitation, dc supply
Answer» C. series excitation, ac supply

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