It consists of plastic base, transparent cylinder and aluminum blower fan, with specially allocated connecting line switching on DC power supply 3-6V.
....It helps student to be familiar with main structure of motor, grasp working principle of DC motor, understand relationship between turning of DC motor and current direction and relationship between turning of DC motor and magnetic pole direction, and know that the electric energy can be converted into mechanical energy. It is used for middle school students’ grouping experiment or teaching demonstration, with horizontal and vertical dual-purpose.
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