Physics-
General
Easy

Question

If a resistance R subscript 2 end subscript is connected in parallel with the resistance R in the circuit shown, then possible value of current through R and the possible value of R subscript 2 end subscript will be

  1. fraction numerator I over denominator 3 end fraction comma R    
  2. I comma 2 R    
  3. fraction numerator I over denominator 3 end fraction comma 2 R    
  4. fraction numerator I over denominator 2 end fraction comma R    

The correct answer is: fraction numerator I over denominator 2 end fraction comma R


    According to the figure, left parenthesis I minus I subscript 1 end subscript right parenthesis R subscript 2 end subscript equals I subscript 1 end subscript R

    Only two values satisfying the above relation are fraction numerator I over denominator 2 end fraction and R

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