Ex. 53: A potentiometer wire of 5 m long is Connected across a cell of e.m.f. 2 V. Another cell gives a null point at 275 cm from its positive end. Find e.m.f. of the cell.
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![Ex. 53: A potentiometer wire of 5 m long is
Connected across a cell of e.m.f. 2 V. Another
cell gives a null point at 275 cm from its
positive end. Find e.m.f. of the cell.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F616c6f4d-e593-4eaa-8497-be01409fc34f%2Fa85f066f-79e0-4f69-9721-d018c12f34f3%2F8n1z5fa_processed.jpeg&w=3840&q=75)
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