1. Which would you choose--iron or steel-- for the following? Explain. a.) a bar magnet b.) the core of a transformer c.) the needle of a plotting compass
1. Which would you choose--iron or steel-- for the following? Explain. a.) a bar magnet b.) the core of a transformer c.) the needle of a plotting compass
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 12CQ
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1. Which would you choose--iron or steel-- for the following? Explain.
a.) a bar magnet
b.) the core of a transformer
c.) the needle of a plotting compass
2. How would you use a magnet to distinguish a can made of iron from a can made of aluminum?
3. Without using another magnet, how would you know which end of the bar magnet is north pole and which is the south pole?
4. If the driver shaft of a generator is turned more rapidly, what will happen to the voltage?
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