Potentiometer Balance Point Current Source (Jee… | ExamDuo
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Cells and Kirchhoff's Laws
Easy
Potentiometer Balance Point Current Source
In comparing e.m.f of two cells by a potentiometer balance point is obtained on fifth wire, the current flowing through the wire is taken
SELECT ONE OPTION
A
from both cells
B
from the battery of main circuit
C
from one of these cell
D
none of the battery or cell
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