Examlex
Teachers often assign roles for students to perform in their cooperative groups.Which role is typically responsible for explaining concepts and helping the group understand academic content?
Compensating Winding
The winding embedded in the main field poles of a DC machine. The compensating winding is used to help overcome armature reaction.
Armature
The rotating part of an electric generator or motor that interacts with the magnetic field to produce or use electricity.
Series
A connection of electrical components in a circuit end-to-end such that there is only one path for current flow, leading to the same current through all components.
Two-phase Power System
A two-phase power system is an electrical power distribution method that uses two alternating currents, which are offset in phase by one-quarter of a cycle (90 degrees).
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