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JEE Main 2026 (Online) 21st January Evening Shift

MCQ+4 / -12026

The total length of potentiometer wire AB is 50 cm in the arrangement as shown in the figure. If P is the point where the galvanometer shows zero reading then the length AP is ________ cm.

JEE Main 2026 (Online) 21st January Evening Shift Physics - Current Electricity Question 27 English

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