5 Questions
What type of current does a DC motor use?
Direct current
How are the speed of DC motors controlled?
By changing the strength of current in its field windings
What type of motor can operate on both direct and alternating current?
Universal motor
In what applications are larger DC motors currently used?
Propulsion of electric vehicles, elevator and hoists, and in drives for steel rolling mills
What generates an electromagnetic field in a DC motor?
A coil of wire with a current running through it
Test your knowledge about the fundamental concepts and operation of DC motors, including their reliance on direct current, magnetic forces, and internal mechanisms for changing current direction.
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