A potentiometer is an accurate and versatile device to make electrical measurements of…
Physics · NEET · NTA Exams — Current Electricity
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method invoices:
- Cells
- Potential gradients
- A condition of no current flow through the galvanometer
- A combination of cells, galvanometer and resistances
Answer
(C) A condition of no current flow through the galvanometer
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