Laboratory exercises in physics for secondary schools (1906)
Twiss, George Ransom, b. 1863 · Chicago, Scott, Foresman and company · leaf 164
is the principal instrument. It is connectedby wires with a battery 11 0, a sensitive galvanom- 142 LABORATORY EXERCISES IN PHYSICS eter G, and a wire coil of known resistance rr (Cf.Figs. 30 and 31, also Appendix F.) Theory of the Wheatstone Bridge. — Let there bean arrangement of conductors… … Fig. 30.- - Explaining the theory of Wheat-stones Bridge. through a galvanometer, 6r, in connection with thesetwo points. Then B and 0 are equipotential points.(Why ?) Also, — let F1 and rx be the fall of potential and the resistancebetween A and J5,F2 and r2 be the fall of potential and the…
Physics
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