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170 bytes added , 04:31, April 28, 2007

New page: '''Magnetic Fields''', also known as B-fields, are force fields caused by relativistic effects of electric currents. Magnetic fields only exert a force on moving charges.

'''Magnetic Fields''', also known as B-fields, are force fields caused by relativistic effects of electric currents. Magnetic fields only exert a force on moving charges.