(1) There are three basic types of DC motors; series, shunt, and compound.(2) In the series motor, the field windings, consisting of relatively few turns of heavy wire, are connected in series with the armature winding.Regarding the above statements,
发布于 2021-02-18 21:52:56
【单选题】 A only No.1 is true. B only No.2 is true. C both No.1 and No.2 are true.