Potentiometer Null Point Shift (Jee Mains) | ExamDuo
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Cells and Kirchhoff's Laws
Easy
Potentiometer Null Point Shift
Null point of a potentiometer wire will shift beyond the potentiometer wire if
SELECT ONE OPTION
A
the e.m.f. of driving cell is low
B
the length of the wire is small
C
the e.m.f. of accumulator is high
D
the length of the wire is large
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