Homework Help: science

Posted by kamal on Monday, April 18, 2011 at 2:59pm.

How large a current would a very long, straight wire have to carry so that the magnetic field 2 cm from the wire is equal to 1 G (comparable to the earth’s northward-pointing magnetic field)?

science - lamees, Wednesday, May 11, 2011 at 2:46pm
why earth has only a limited amount of land
science - Hello, Tuesday, October 18, 2011 at 4:42pm
10 A

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