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Current Electricity question

2002 · Q173
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Current Electricity question

2002 · Q173

NEETPhysicsCurrent ElectricityMCQ+4 / −1
For a cell terminal potential difference is 2.2V when circuit is open and reduce to 1.8 V when cell is connected to a resistance of R = 5 Ω\OmegaΩ. Determine internal resistance of cell (r)
  1. A
    109Ω{{10} \over 9}\Omega910​Ω
  2. B
    910Ω{{9} \over 10}\Omega109​Ω
  3. C
    119Ω{{11} \over 9}\Omega911​Ω
  4. D
    59Ω{{5} \over 9}\Omega95​Ω
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