Physics-
General
Easy

Question

A current of 2A flows in an electric circuit as shown in figure. The potential difference open parentheses V subscript R end subscript minus V subscript S end subscript close parentheses, in volts open parentheses V subscript R end subscript close and V subscript S end subscript )are potentials at R and S respectively) is

  1. -4    
  2. +2    
  3. +4    
  4. -2    

The correct answer is: +4

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