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Apr 13, 2017 at 12:39 history edited CommunityBot
replaced http://physics.stackexchange.com/ with https://physics.stackexchange.com/
Jan 8, 2013 at 21:05 history edited dmckee --- ex-moderator kitten CC BY-SA 3.0
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Jan 8, 2013 at 21:05 comment added dmckee --- ex-moderator kitten In both cases (positive and negative charge and north or south poles) the assignment is really quite arbitrary and we could reverse the assignment by changing the sign of terms related to that particular field in some basic equations.
Jan 8, 2013 at 21:00 comment added user14445 But what causes this difference? Or is this not as simple as the difference between a positive and negative charge?
Jan 8, 2013 at 20:59 history answered dmckee --- ex-moderator kitten CC BY-SA 3.0