Physics-
General
Easy

Question

The effective resistance between points A and B is

  1. 10 capital omega    
  2. 20 capital omega    
  3. 40 capital omega    
  4. None of the above three values    

The correct answer is: 10 capital omega


    This is a balanced Wheatstone bridge. Therefore no current will flow from the diagonal resistance 10 capital omega
    \ Equivalent resistance equals fraction numerator left parenthesis 10 plus 10 right parenthesis cross times left parenthesis 10 plus 10 right parenthesis over denominator left parenthesis 10 plus 10 right parenthesis plus left parenthesis 10 plus 10 right parenthesis end fraction equals 10 capital omega

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