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In a potentiometer the balancing with a cell is at length of 220cm. On shunting the cell with a resistance of 3Ω balance length becomes 130cm. What is the internal resistance of this cell?
  • a)
    4.5Ω 
  • b)
    7.8Ω
  • c)
    6.3Ω
  • d)
    2.08Ω
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
In a potentiometer the balancing with a cell is at length of 220cm. On...
Here, l1 = 220cm, l2 = 130cm, R = 3Ω
∴ Internal resistance,
r = 
= 2.08Ω
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Most Upvoted Answer
In a potentiometer the balancing with a cell is at length of 220cm. On...
Here, l1 = 220cm, l2 = 130cm, R = 3Ω
∴ Internal resistance,
r = 
= 2.08Ω
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In a potentiometer the balancing with a cell is at length of 220cm. On shunting the cell with a resistance of 3Ω balance length becomes 130cm. What is the internal resistance of this cell?a)4.5Ωb)7.8Ωc)6.3Ωd)2.08ΩCorrect answer is option 'D'. Can you explain this answer?
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In a potentiometer the balancing with a cell is at length of 220cm. On shunting the cell with a resistance of 3Ω balance length becomes 130cm. What is the internal resistance of this cell?a)4.5Ωb)7.8Ωc)6.3Ωd)2.08ΩCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In a potentiometer the balancing with a cell is at length of 220cm. On shunting the cell with a resistance of 3Ω balance length becomes 130cm. What is the internal resistance of this cell?a)4.5Ωb)7.8Ωc)6.3Ωd)2.08ΩCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a potentiometer the balancing with a cell is at length of 220cm. On shunting the cell with a resistance of 3Ω balance length becomes 130cm. What is the internal resistance of this cell?a)4.5Ωb)7.8Ωc)6.3Ωd)2.08ΩCorrect answer is option 'D'. Can you explain this answer?.
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