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NEETPhysicsCurrent Electricity

What is the effective resistance of the combination when two cells of voltage 10V and 2V, with internal resistances 10Ω and 5Ω respectively, are connected in parallel with the positive end of the 10V battery connected to the negative pole of the 2V battery (as shown in Fig 3.8)?

Options

  1. A12/5 Ω
  2. B10/3 Ω
  3. C7/3 Ω
  4. D5/2 Ω

Correct answer

B. 10/3 Ω

Step-by-step solution

Correct Option is : (B) 10/3 Ω

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