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The combination of two identical cells, whether connected in series or parallel combination provides the same current through an external resistance of 2 Ω .  The value of internal resistance of each cell is

Option 1 -

2 Ω

Option 2 -

4 Ω

Option 3 -

6 Ω

Option 4 -

8 Ω

0 2 Views | Posted 2 weeks ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    2 weeks ago
    Correct Option - 1


    Detailed Solution:

    According to question, we can write

    2 V 2 + 2 r = V 2 + r 2

    ⇒ 2 + 2 r = 4 + r ⇒ r = 2 Ω

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