Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 20 - Magnetism - Questions: 10

Answer

Charge a is positive. Charge b has no charge. Charge c is negative.

Work Step by Step

The magnetic field points into the page. Charge a feels an initial force up the page. The right-hand rule tells us that charge a is positive. Charge b feels no force, though it is moving perpendicular to a magnetic field, so it carries no charge. Charge c feels an initial force down the page. The right-hand rule tells us that charge c is negative.
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