In a Potentiometer experiment the balancing length with a cell is 560 cm, when an external resistance of 10 \Omega is connected in parallel to the cell, the balancing length changes by 60 cm. Find the internal resistance of the cell.

AP EAMCET Engineering 17 Sep 2020 Shift 1 Paper

Section: Physics

Question : 119 of 160

Marks: +1, -0

In a Potentiometer experiment the balancing length with a cell is 560 cm, when an external resistance of 10 Ω is connected in parallel to the cell, the balancing length changes by 60 cm. Find the internal resistance of the cell.

1 Ω
2 Ω
1.2 Ω
2.1 Ω

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