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Published on Mar 17, 2010
Explains how to find the magnetic field due to multiple wires. This is at the AP Physics level. Here's a Fun Gift Idea for Perfect for Your Mom or Dad or That Fun Uncle or Aunt Who Has Always Teased You! "Is This Really YOUR Book? A Collection of 61 Awkward Book Covers Designed to Surprise Your Friends" http://www.isthisreallyyourbook.com (Please Note: At this time we only deliver to U.S. and Canada.)