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  1. The circuit used in the experiment (Fig. 2) is, in form, the same as a Wheatstone bridge, where r0 corresponds to the resistance of the galvanometer and r1 a resistance in the mesh containing the emf.
  2. Wenner; , July16, 1926.
  3. A more complete description of this apparatus may be found in Cumulative Unit Experiments No. E-10, published by the Central Scientific Company.

Wenner,

Wenner; , July16, 1926.

Other (3)

The circuit used in the experiment (Fig. 2) is, in form, the same as a Wheatstone bridge, where r0 corresponds to the resistance of the galvanometer and r1 a resistance in the mesh containing the emf.

Wenner; , July16, 1926.

A more complete description of this apparatus may be found in Cumulative Unit Experiments No. E-10, published by the Central Scientific Company.

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Figures (3)

Fig. 1
Fig. 1

Top view of Kirchhoff’s bridge.

Fig. 2
Fig. 2

Schematic diagram of net-work of three meshes.

Fig. 3
Fig. 3

Bridge connection for figure of merit determination.

Equations (4)

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i 1 r 1 + ( i 1 - i 3 ) r 5 + ( i 1 - i 2 ) r 4 = E i 2 r 2 - ( i 1 - i 2 ) r 4 - ( i 3 - i 2 ) r 6 = 0 i 3 r 3 + ( i 3 - i 2 ) r 6 - ( i 1 - i 3 ) r 5 = 0
i 2 = 3.68 E ma i 2 = .36 E ma i 3 = .67 E ma
F = r E 10 - 7 ϕ [ ( G + r ) 13.322 - .0102 r 2 ] amp
F = r E ( 7.5 ) · 10 - 9 ϕ ( G + r ) amp