Physics-
General
Easy

Question

In the given figure, equivalent resistance between A and B will be

  1. fraction numerator 14 over denominator 3 end fraction capital omega    
  2. fraction numerator 3 over denominator 14 end fraction capital omega    
  3. fraction numerator 9 over denominator 14 end fraction capital omega    
  4. fraction numerator 14 over denominator 9 end fraction capital omega    

The correct answer is: fraction numerator 14 over denominator 3 end fraction capital omega


    The given circuit is a balanced Wheatstone bridge, hence it can be redrawn as follows

    rightwards double arrow R subscript e q end subscript equals fraction numerator 7 cross times 14 over denominator left parenthesis 7 plus 14 right parenthesis end fraction equals fraction numerator 14 over denominator 3 end fraction capital omega.

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