Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 335
mechanicalreasoning is thensimpler, we will takeonly the case of aplane closed circuit. Let N be the northpole of a magnet, andN AAX a straight line through N ; we suppose the pole to be con-centrated at the point N and to be of strength \i. Let the circuit Cbe so fixed that it can only turn about… … CH.-xviii. CURRENTS AND MAGNETIC POLES 3C9 Take two lines N a a and N b b\ so close together that a b anda b m:yj be considered to be elements {see § 2), and drop perpen-diculars on N X from a and a. Since the circuit is closed, each such pair of lines will intercepttwo elements a b and a b, in…
Electricity
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