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In an electric motor, a commutator
a. is made out of dozens of wire loops wrapped around a ferromagnetic core.
b. repeatedly reverses the flow of current through the armature.
is a magnet.
d. is directly connected to the current source.

Respuesta :

Answer:

b. Repeatedly reverses the flow of current through the armature.

Explanation:

  1. The electric motor is a device that converts the electrical energy into mechanical energy.
  2. The commutator is a device that repeatedly reverses the flow of current through the armature.
  3. It is a split ring that acts as the commutator.
  4. It connects the external circuit through a carbon brush and the armature of the motor.
  5. Another important component of an electric motor is an electromagnet or permanent magnet.

Answer:

b on edg 2020

Explanation: