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The series combination of two batteries, both of the same emf 10 V but different internal resistances of 20 Ω and 5Ω , is connected to the parallel combination of two resistors 30Ω  and R Ω. The voltage difference across the battery of internal resistance 20Ω  is zero, the value of R (in Ω) is _______.
    Correct answer is '30'. Can you explain this answer?
    Most Upvoted Answer
    The series combination of two batteries, both of the same emf 10 V but...

    E1 = E - ir
    E2 = E - ir
    = 10 - i20 = 0
    = 10 - 0.5 x 5
    i = 0.5 A
    = 7.5 V
    Enet = E1 + E2 = 7.5V
    i = i1 + i2
    0.5  = (7.5/x) + (7.5/30)
    x = 30 Ω
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    The series combination of two batteries, both of the same emf 10 V but different internal resistances of 20 Ωand 5Ω , is connected to the parallel combination of two resistors 30Ω and R Ω. The voltage difference across the battery of internal resistance 20Ω is zero, the value of R (in Ω) is _______.Correct answer is '30'. Can you explain this answer?
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    The series combination of two batteries, both of the same emf 10 V but different internal resistances of 20 Ωand 5Ω , is connected to the parallel combination of two resistors 30Ω and R Ω. The voltage difference across the battery of internal resistance 20Ω is zero, the value of R (in Ω) is _______.Correct answer is '30'. 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 The series combination of two batteries, both of the same emf 10 V but different internal resistances of 20 Ωand 5Ω , is connected to the parallel combination of two resistors 30Ω and R Ω. The voltage difference across the battery of internal resistance 20Ω is zero, the value of R (in Ω) is _______.Correct answer is '30'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The series combination of two batteries, both of the same emf 10 V but different internal resistances of 20 Ωand 5Ω , is connected to the parallel combination of two resistors 30Ω and R Ω. The voltage difference across the battery of internal resistance 20Ω is zero, the value of R (in Ω) is _______.Correct answer is '30'. Can you explain this answer?.
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