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Most Important Selected Qs for JEE AdvancedPhysicsCurrent Electricity

The relation between R and r (internal resistance of the battery) for which the power consumed in the external part of the circuit is maximum.

Options

  1. AR=r
  2. BR= r 2
  3. CR =2 r
  4. DR=1.5 r

Correct answer

B. R= r 2

Step-by-step solution

Circuit is forming a wheatstone bridge R_ e q =2 R For maximum power transfer 2 R = r .

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