Physics-
General
Easy

Question

The resistance is connected as shown in the figure below. Find the equivalent resistance between the points A and B.

  1. 205capital omega    
  2. 10blank capital omega    
  3. 3.5blank capital omega    
  4. 5blank capital omega    

The correct answer is: 5blank capital omega


    ) 3blank capital omega
    R’=3+7=10capital omega
    R’ and 10capital omega are in parallel, so
    R to the power of ´ end exponent equals fraction numerator 10 cross times 10 over denominator 10 plus 10 end fraction equals 5 capital omega
    R to the power of ´ end exponent a n d blank 5 capital omega blankare in series, so
    R’=5+5=10capital omega
    Now, R’ and 10capital omega are in parallel, so
    R equals fraction numerator 10 cross times 10 over denominator 10 plus 10 end fraction equals 5 capital omega

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