If the Voltage Produced by a Generator Alternates, It Does

question 42

Multiple Choice

If the voltage produced by a generator alternates, it does so because

• A) the current it produces alternates.
• B) alterations in the mechanical energy input.
• C) in effect it is an ac motor in reverse.
• D) the changing magnetic field that produces it alternates.
• E) unlike a battery, it produces alternating current.