单选题
556.Parallel wound motor is DC electric motor whose field coils are connected in parallel with the armature A parallel wound motor has a low starting torque, but is operates at a relatively constant speed ( )
A
Parallel wound motor is DC electric motor whose field coils are connected in serial with the armature.
B
A parallel wound motor operates at a relatively constant speed.
C
Due to its character of low starting torque, Parallel wound motor is always used as starter.
答案解析
正确答案:B
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