Physics-
General
Easy

Question

In the circuit shown below, The reading of the voltmeter V is

  1. 12 V    
  2. 8 V    
  3. 20 V    
  4. 16 V    

The correct answer is: 12 V


    In the following circuit potential difference between
    C and A is V subscript C end subscript minus V subscript A end subscript equals 1 cross times 4 equals 4 ……(i)

    C and B is V subscript C end subscript minus V subscript B end subscript equals 1 cross times 16 equals 16 ……(ii)
    On solving equations (i) and (ii) we get
    V subscript A end subscript minus V subscript B end subscript equals 12 V.

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