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If the internal resistance of a cell is 20 ohm and resistance of the circuit is also 20 ohm. Will the current remain same whether the given n identical cells are in series or in parallel?
  • a)
    yes
  • b)
    No
  • c)
    Can’t predict
  • d)
    None of the above
Correct answer is 'A'. Can you explain this answer?
Most Upvoted Answer
If the internal resistance of a cell is 20 ohm and resistance of the c...
In series connection of cells total internal resistance=nr total resistance of circuit=nR current is same potential difference is different so,I=nv/nR+nr I=V/R+r current is same as before in parallel connection of cells total internal resistance=r/n total resistance of circuit=R/n total current=nI potential difference is same nI=V/r/n+R/n I=V/R+r current is same as before
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Community Answer
If the internal resistance of a cell is 20 ohm and resistance of the c...
I=E/(R+r) .. Since resistance and internal resistance are same.. Then I will depend on e.. Also E of a system is same whether it's parallel or in series
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If the internal resistance of a cell is 20 ohm and resistance of the circuit is also 20 ohm. Will the current remain same whether the given n identical cells are in series or in parallel?a)yesb)Noc)Can’t predictd)None of the aboveCorrect answer is 'A'. Can you explain this answer?
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