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General
Easy

Question

Four condensers each of capacity 4mF are connected as shown in figure. V subscript p end subscript minus V subscript Q end subscript equals 15 volts The energy stored in the system is

  1. 2400 ergs    
  2. 1800 ergs    
  3. 3600ergs    
  4. 5400 ergs    

The correct answer is: 1800 ergs

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