What is the role of the communicator in a dc generator? A) it keeps the electric current flowing in one direction B) it keeps the magnetic fields of the permanent magnet steady C) it causes the magnetic

What is the role of the communicator in a dc generator?

A) it keeps the electric current flowing in one direction
B) it keeps the magnetic fields of the permanent magnet steady
C) it causes the magnetic fields of the permanent magnets to reverse
D) it causes the electric current to constantly reverse its direction

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