Lesson: Chapter 13 — Electromagnetism and electromagnetic induction

13.2. The magnetic effect of a current 2 of 5 Reset answers

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Question 2

A compass under a wire swings left. The current is reversed. What happens?

A It swings left again B It does not move C It swings right D It spins round and round

The right answer is the one marked above.

It swings right. The field's direction depends on the current's direction.

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