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Three identical cells, each of 2V and internal resistance of 0.2 ohm are connected in series to an external resistance of 7.4 ohm. The current in the circuit will be​
  • a)
    0.75 A
  • b)
    1.05 A
  • c)
    2 A
  • d)
    3 A
Correct answer is 'A'. Can you explain this answer?
Verified Answer
Three identical cells, each of 2V and internal resistance of 0.2 ohm a...
Total inner voltage E = 2*3 = 6.0 V 
Total resist. Rt = 0.2*3*7.4 = 8.0 ohm 
circulating current I = E/Rt = 6/8 = 3/4 = 0.75 A
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Three identical cells, each of 2V and internal resistance of 0.2 ohm are connected in series to an external resistance of 7.4 ohm. The current in the circuit will be​a)0.75 Ab)1.05 Ac)2 Ad)3 ACorrect answer is 'A'. Can you explain this answer?
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Three identical cells, each of 2V and internal resistance of 0.2 ohm are connected in series to an external resistance of 7.4 ohm. The current in the circuit will be​a)0.75 Ab)1.05 Ac)2 Ad)3 ACorrect answer is 'A'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Three identical cells, each of 2V and internal resistance of 0.2 ohm are connected in series to an external resistance of 7.4 ohm. The current in the circuit will be​a)0.75 Ab)1.05 Ac)2 Ad)3 ACorrect answer is 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Three identical cells, each of 2V and internal resistance of 0.2 ohm are connected in series to an external resistance of 7.4 ohm. The current in the circuit will be​a)0.75 Ab)1.05 Ac)2 Ad)3 ACorrect answer is 'A'. Can you explain this answer?.
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