Electric Motors and Generators Quiz... Questions and Answers
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LearningTranscript
00:00The current flowing through the armature of the DC motor is
00:07A. AC
00:09The EMF produced in DC generator is induced EMF.
00:16A. Dynamically
00:18The function of in DC generator is to collect current from commutator and deliver it to external circuit.
00:26C. Brushes
00:28The direction of rotation of DC series motor can be reversed by interchanging terminals.
00:35C. Either armature or field
00:38The main advantage of DC motors compared to AC motors are
00:45B. Speed control
00:47Which of the following DC motor is best suited for speed control applications such as in rolling mills and paper mills?
00:55C. DC shunt motor