In DC generator, which component plays the vital role to produce the direct current?
A. Armature.
B. Brush.
C. Commutator.
D. Yoke.
Show Answer
Answer: C
Share your understanding of this question with the correct explanation.
In a DC generator, the component that plays the vital role in producing the direct current is the commutator.
The commutator is a rotating cylindrical structure made up of copper segments insulated from each other. It is connected to the armature winding, which is the winding that generates the electrical output of the generator. The commutator is responsible for converting the alternating current (AC) induced in the armature coils into direct current (DC) at the output terminals of the generator.
As the armature rotates within the magnetic field produced by the field windings, an AC voltage is generated in the armature coils. The commutator segments are in contact with the stationary brushes, which are connected to the external circuit. The commutator segments reverse the direction of the current in the armature coils at the appropriate times, ensuring that the output current is always flowing in the same direction. This reversal of current direction is necessary to produce a DC output.
Therefore, option C, “Commutator,” is the correct answer.