Examlex
Explain why the single-member district system of elections tends to promote a two-party system.Also,compare the single-member district system with proportional representation systems.
Back-EMF
See counter-EMF.
Armature
The rotating coil or coils of a dynamo or electric motor where voltage is induced by magnetic action.
DC Motor
An electric motor that runs on direct current (DC) electricity, converting electrical energy into mechanical energy through the rotation of a shaft.
Magnetic Field
A vector field surrounding magnets, electric currents, and changing electric fields, where magnetic forces are exerted.
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