A battery of e.m.f. 12 V and internal resistance 0.5 is connected to a 9.5 resistor…
Physics · Class 12 · CBSE — Current Electricity
A battery of e.m.f. 12 V and internal resistance \(0.5 \Omega\) is connected to a \(9.5 \Omega\) resistor through a key. The ratio of potential difference between the two terminals of the battery, when the key is open to that when the key is closed, is
- 1.05
- 1
- 0.95
- 1.1
Answer
(A) 1.05
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