tion of its current. Now hold B so that its current will be parallel tothe current in A^ and in the same direction. Note the result, then turnB so the currents ^ ^ ^ A B will go in oppositedirections, and com-pare results. Fromthese experiments welearn — Amperes Lawof Electric Cur-rents. —… … ^>rTr^ Fig. 106. D^
Physics
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