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The potential difference across the terminal of a battery is 50 V  when 11 A  current is drawn and 60V  when 1A  current is drawn. The emf and the internal resistance of the battery are :
  • a)
    63V, 1Ω
  • b)
    64V, 2Ω
  • c)
    61V, 1Ω
  • d)
    62V, 2Ω
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The potential difference across the terminal of a battery is 50V when ...
For a closed circuit cells supplies a constant current in the circuit.
Equation of cells E = V + ir
For V = 50 volt
E = 50 + 11r           ...(i)
Similarly for  V = 60V
E = 60 + r      ...(ii)
From Equation (i) and (ii), we get
r = 1Ω
Substituting the value of r  is equation (i), we get
E = 61V
The correct answer is: 61V, 1Ω
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Most Upvoted Answer
The potential difference across the terminal of a battery is 50V when ...
For a closed circuit cells supplies a constant current in the circuit.
Equation of cells E = V + ir
For V = 50 volt
E = 50 + 11r           ...(i)
Similarly for  V = 60V
E = 60 + r      ...(ii)
From Equation (i) and (ii), we get
r = 1Ω
Substituting the value of r  is equation (i), we get
E = 61V
The correct answer is: 61V, 1Ω
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The potential difference across the terminal of a battery is 50V when 11A current is drawn and 60V when 1A current is drawn. The emf and the internal resistance of the battery are :a)63V, 1Ωb)64V, 2Ωc)61V, 1Ωd)62V, 2ΩCorrect answer is option 'C'. Can you explain this answer?
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The potential difference across the terminal of a battery is 50V when 11A current is drawn and 60V when 1A current is drawn. The emf and the internal resistance of the battery are :a)63V, 1Ωb)64V, 2Ωc)61V, 1Ωd)62V, 2ΩCorrect answer is option 'C'. Can you explain this answer? for Physics 2024 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about The potential difference across the terminal of a battery is 50V when 11A current is drawn and 60V when 1A current is drawn. The emf and the internal resistance of the battery are :a)63V, 1Ωb)64V, 2Ωc)61V, 1Ωd)62V, 2ΩCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Physics 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The potential difference across the terminal of a battery is 50V when 11A current is drawn and 60V when 1A current is drawn. The emf and the internal resistance of the battery are :a)63V, 1Ωb)64V, 2Ωc)61V, 1Ωd)62V, 2ΩCorrect answer is option 'C'. Can you explain this answer?.
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