MCQ
To determine the internal resistance of a cell by using potentiometer, the null point is at 1 m when cell is shunted by 3 Ω resistance and at a length 1.5 m when cell is shunted by 6 Ω resistance. The internal resistance of the cell is ______.
  • A
    3 Ω
  • 6 Ω
  • C
    4 Ω
  • D
    2 Ω

Answer

Correct option: B.
6 Ω
B

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