Two cells having unknown e.m.f.s E, and E₂ (E₁ > E₂) are connected in potentiometer circuit so as to assist each other. The null point is obtained at 8.125 m from the highest potential end. When cell E₂ is connected so as to oppose cell E₁, the null point is obtained at 1.25 m from same end. Compare e.m.f.s. of two cells.
Two cells having unknown e.m.f.s E, and E₂ (E₁ > E₂) are connected in potentiometer circuit so as to assist each other. The null point is obtained at 8.125 m from the highest potential end. When cell E₂ is connected so as to oppose cell E₁, the null point is obtained at 1.25 m from same end. Compare e.m.f.s. of two cells.
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Transcribed Image Text:Two cells having unknown e.m.f.s E, and E₂ (E₁
> E₂) are connected in potentiometer circuit so
as to assist each other. The null point is
obtained at 8.125 m from the highest potential
end. When cell E₂ is connected so as to oppose
cell E₁, the null point is obtained at 1.25 m
from same end. Compare e.m.f.s. of two cells.
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