The purpose of commutators in a direct current motor is to
A.
reverse the direction of the current after every half rotation
B.
increase the number of rotations per second
C.
enable a uniform couple to act on the coil.
D.
increase the efficiency of the motor.
Correct answer is A
The purpose of commutators in a direct current (DC) motor is to reverse the direction of the current after every half rotation.
