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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Ampere's_rule
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1992-09-02
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351b
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10 lines
Rule developed by Andre Ampere connecting the
direction of an electic current and its
associated magnetic currents. Travelling
along a current-carrying wire in the
direction of the current (from the positive
to the negative terminal of a battery), and
facing a magnetic needle, the north pole of
the needle is deflected to the left-hand
side.