Physics-
General
Easy

Question

The potential difference between A and B in the following figure is

  1. 32 V    
  2. 48 V    
  3. 24 V    
  4. 14 V    

The correct answer is: 48 V


    From the given circuit
    V subscript A end subscript minus open parentheses 6 cross times 2 close parentheses minus 12 minus open parentheses 9 cross times 2 close parentheses plus 4 minus open parentheses 5 cross times 2 close parentheses equals V subscript B end subscript
    Or V subscript A end subscript minus 12 minus 12 minus 18 plus 4 minus 10 equals V subscript B end subscript
    Or V subscript A end subscript minus V subscript B end subscript equals48 volt

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