A dc machine is run at rated speed in forward direction and then in backward direction. It is observed that, speeds of the rotation are different, then it leads to the conclusion of _________

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DC Motors topics include: Characteristics of dc motors and speed control of dc motors, pmdc and dc motor starting.

A Direct Current (DC) motor is a motor that turns energy from a direct current and turns this into mechanical energy. There are 3 main types of DC motors are: Series, Shunt and Compound. These terms relate to the type of connection of the field windings with respect to the armature circuit.

Related Test: Electrical Machines Practice Test: DC Machines


A dc machine is run at rated speed in forward direction and then in backward direction. It is observed that, speeds of the rotation are different, then it leads to the conclusion of _________