Per15_over - Preview of Period 15: Magnetic Forces and...

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Preview of Period 15: Magnetic Forces and Electromagnets 15.1 Properties of Magnets When are magnets attracted to other materials? What happens when a magnet is broken? 15.2 Magnetic Domains and Info Storage How is information stored on magnetic media? 15.3 Magnetic Forces and Magnetic Fields What makes one magnet “float” above another magnet? What are magnetic fields? 15.3 Magnetic Forces and Moving Charges What is an electromagnet? How does current in a wire interact with another magnet? 15-1
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Magnetic Force and the Four Fundamental Forces Fundamental Forces Gravitational Electromagnetic = Electrical + Magnetic Weak Nuclear Strong Nuclear Charges moving within some types of materials produce magnetic forces. These magnetic forces are in addition to the electrical forces between moving charges. Magnetic energy results from the forces between magnets. 15-2
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Act. 15.1: Properties of Magnets Magnets attract or repel other magnets. All permanent magnets have a north and a south pole. Like magnetic poles (two north poles or two south poles) repel each other.
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This note was uploaded on 06/11/2011 for the course PHYSICS 103 taught by Professor Staff during the Spring '10 term at Ohio State.

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Per15_over - Preview of Period 15: Magnetic Forces and...

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