Question
Physics Question on Potentiometer
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
A condition of no current flow through the galvanometer
Explanation
Solution
The correct option is (C): A condition of no current flow through the galvanometer.