Which of the following is true about AC electricity?
Which of the following statements about AC electricity is true?
- In the U.S., AC electricity oscillates at 60 Hz.
- It travels from a hot line and returns on a neutral line.
- It always takes the path of highest resistance.
- The hot line is always grounded.
4 Answers
Answers 1,3, and 4 are definitely false.
Answer 2 is dubious, (AC doesn't exactly travel from one point to another) but must be the answer to this question.
'Non of the above' is always true.
'b. is true for certain parts of AC distribution systems.
(Some AC circuits are multi-phase with no neutral connection at all)
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