Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 69
all ascompared with B. Poggcmlorffs Ifletliod Modified Iby Clark. To Compare the E.M.F. of a battery cell or element with a standard cell.Let S be a standard cell, Tbe a cell for comparison with the standard, B~be a, battery of higher E.M.F. than either of the above elements.A resistance r is… … FlG. 43. Move the contact C along the wire until the pointer of the instrumentstands at zero, and let r1 be the resistance of A C. Throw the switch b so as to cut out the standard S, and cut in the cell T;now slide the contact 6\ along the wire until the pointer again stands atzero, and call the…
Electrical engineering
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