Physics-
General
Easy

Question

In the circuit shown, the point ‘B’ is earthed. The potential at the point ‘A’ is

  1. 14 V    
  2. 24 V    
  3. 26 V    
  4. 50 V    

The correct answer is: 24 V


    Current in the given circuit i equals fraction numerator 50 over denominator left parenthesis 5 plus 7 plus 10 plus 3 right parenthesis end fraction equals 2 A
    Potential difference between A and B V subscript A end subscript minus V subscript B end subscript equals 2 cross times 12
    Þ V subscript A end subscript minus 0 equals 24 V Þ V subscript A end subscript equals 24 V

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