Lesson: Chapter 13 — Electromagnetism and electromagnetic induction

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

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Question 5

Current flows up a vertical wire. Seen from above, which way does the field go round it?

A There is no field B Straight up C Clockwise D Anticlockwise

The right answer is the one marked above.

Anticlockwise. That is figure 13.4(a): a screw driven upwards turns anticlockwise seen from above.

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