Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter24: Magnetic Fields
Section: Chapter Questions
Problem 102A
Related questions
Question
Mr. Quan turned on a power supply that had wires connected to them. He moved the wires around the compass. The compass needle moved numerous times. What was the principle he was demonstrating?
29.3.1 demo current created magnetic field.JPG
Group of answer choices
Current flows in the presence of magnets
Compasses react to active power supplies
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