Potentiometer Wire Balance Length (Jee Mains) | ExamDuo
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Electrical Instruments
Medium
Potentiometer Wire Balance Length
The total length of potentiometer wire AB is 50 cm in the arrangement as shown in figure. If P is the point where the galvanometer shows zero reading then the length AP is ………. cm.
SELECT ONE OPTION
A
15
B
30
C
25
D
20
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