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Three similar cells, each of e.m.f. 2V and internal resistance r Ω send the same current through an external resistance of 2 Ω, when connected in series or in parallel. The strength of the current flowing through the external resistance is
  • a)
    1 A
  • b)
    1.5 A
  • c)
    2 A
  • d)
    0.75 A
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Three similar cells, each of e.m.f. 2V and internal resistance r &Omeg...
If the three cells are connected in parallel, the overall e.m.f. of the combination will still be 2V, but the internal resistance will decrease to r/3.

If the three cells are connected in series, the overall e.m.f. of the combination will be 6V (2V + 2V + 2V), and the internal resistance will remain the same at r.

If the three cells are connected in a series-parallel combination, the overall e.m.f. and internal resistance will depend on the specific arrangement of the cells.
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Three similar cells, each of e.m.f. 2V and internal resistance r Ω send the same current through an external resistance of 2 Ω, when connected in series or in parallel. The strength of the current flowing through the external resistance isa)1 Ab)1.5 Ac)2 Ad)0.75 ACorrect answer is option 'D'. Can you explain this answer?
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Three similar cells, each of e.m.f. 2V and internal resistance r Ω send the same current through an external resistance of 2 Ω, when connected in series or in parallel. The strength of the current flowing through the external resistance isa)1 Ab)1.5 Ac)2 Ad)0.75 ACorrect 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 Three similar cells, each of e.m.f. 2V and internal resistance r Ω send the same current through an external resistance of 2 Ω, when connected in series or in parallel. The strength of the current flowing through the external resistance isa)1 Ab)1.5 Ac)2 Ad)0.75 ACorrect 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 Three similar cells, each of e.m.f. 2V and internal resistance r Ω send the same current through an external resistance of 2 Ω, when connected in series or in parallel. The strength of the current flowing through the external resistance isa)1 Ab)1.5 Ac)2 Ad)0.75 ACorrect answer is option 'D'. Can you explain this answer?.
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