Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 296
mag:netic effects of the current 255 be determined as follows: If the right hand is placed ac/ainstthe coil with the thumb p)ointing in the direction of the lines of force (that is, toward the north pole .—-v:::::::;:::-:-.-.^^-,. of the helix), the fingers loill passaround the coil in the… … 258. The bar electro-mairnet
Physics
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