For a cell terminal potential difference is 2.2 volt when circuit is open and reduces to…
Physics · JEE Main · NTA Exams — Current Electricity
For a cell terminal potential difference is 2.2 volt when circuit is open and reduces to 1.8 volt when cell is connected to an external resistance of 5 ohm.What is the internal resistance of the cell ?
- \(\left(\frac{10}{9}\right) \Omega\)
- \(\left(\frac{10}{19}\right) \Omega\)
- \(\left(\frac{1}{9}\right) \Omega\)
- \(\left(\frac{5}{9}\right) \Omega\)
Answer
(A) ( 10 9 )
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