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In potentiometer experiment a cell of e.m.f. 1.5V connected in the secondary circuit gives a balancing length of 165cm of the wire. If a resistance of 5 Ω is connected parallel to the cell the balancing length of the wire is 150cm. The internal resistance of the cell is
  • a)
    5 Ω
  • b)
    1.5 Ω
  • c)
    1 Ω
  • d)
    0.5 Ω
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In potentiometer experiment a cell of e.m.f. 1.5V connected in the sec...
Option d) 0.5 Ohm is the correct answer.


In potentiometeric circuit we know that,

⇒r=R( l2 / l1​​−1)
hence putting all the values we get 
          r=5(150165​−1)=0.5Ω
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Community Answer
In potentiometer experiment a cell of e.m.f. 1.5V connected in the sec...
R/R+r = L1/L2 . R is given resistence and r is internal resistence of battery.
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In potentiometer experiment a cell of e.m.f. 1.5V connected in the secondary circuit gives a balancing length of 165cm of the wire. If a resistance of 5 is connected parallel to the cell the balancing length of the wire is 150cm. The internal resistance of the cell isa)5 b)1.5 c)1 d)0.5 Correct answer is option 'D'. Can you explain this answer?
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In potentiometer experiment a cell of e.m.f. 1.5V connected in the secondary circuit gives a balancing length of 165cm of the wire. If a resistance of 5 is connected parallel to the cell the balancing length of the wire is 150cm. The internal resistance of the cell isa)5 b)1.5 c)1 d)0.5 Correct answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about In potentiometer experiment a cell of e.m.f. 1.5V connected in the secondary circuit gives a balancing length of 165cm of the wire. If a resistance of 5 is connected parallel to the cell the balancing length of the wire is 150cm. The internal resistance of the cell isa)5 b)1.5 c)1 d)0.5 Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In potentiometer experiment a cell of e.m.f. 1.5V connected in the secondary circuit gives a balancing length of 165cm of the wire. If a resistance of 5 is connected parallel to the cell the balancing length of the wire is 150cm. The internal resistance of the cell isa)5 b)1.5 c)1 d)0.5 Correct answer is option 'D'. Can you explain this answer?.
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