The potential difference across a cell in an open circuit is 8 V. It falls to 4 V when a…
Physics · Class 12 · CBSE — Current Electricity
The potential difference across a cell in an open circuit is 8 V. It falls to 4 V when a current of 4 A is drawn from it. The internal resistance of the cell is:
- \(4 \Omega\)
- \(3 \Omega\)
- \(2 \Omega\)
- \(1 \Omega\)
Answer
(C) 2
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