Lesson: Chapter 13 — Electromagnetism and electromagnetic induction

Direct and alternating current 3 of 4 Reset answers

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Question 3

A graph of current against time lies wholly below zero and wobbles. What kind of current is it?

A Both at once B No current C Direct D Alternating

The right answer is the one marked above.

Direct. It never changes direction; it just flows the reverse way.

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