Two cells having unknown e.m.f.s E₁ 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 E₁ 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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![Two cells having unknown e.m.f.s E₁ 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.
Re
Fach](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa2dd0791-09e5-4e86-9c02-51382da414aa%2F33f1be3b-8f52-4bac-b87a-6a4f01442eb8%2Fvajfq8w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Two cells having unknown e.m.f.s E₁ 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.
Re
Fach
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