A potentiometer is an accurate and versatile device to make electrica – McqOptions

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1.	A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves :
A.	Cells
B.	Potential gradients
C.	A condition of no current flow through the galvanometer
D.	A combination of cells, galvanometer and resistances
Answer» D. A combination of cells, galvanometer and resistances

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