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: 21

Answer

a. No effect. b. Magnetic field strength halved. c. No net effect.

Work Step by Step

The magnetic field strength inside a solenoid is given by equation 20-8, $B=\frac{\mu_{o}NI}{L}$. a. No effect. The magnetic field strength doesn’t depend on the solenoid diameter. b. Magnetic field strength is halved. Doubling the spacing between the loops means doubling the length L of the solenoid. c. No net effect. Doubling both N and L has no effect.
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