Physics-
General
Easy

Question

In a group of N cells, emf of each varies directly with its internal resistance as per the equation E subscript N end subscript equals 1.5 r subscript N end subscript. They are connected as shown in the figure. The current in the circuit is

  1. 0.51 amp    
  2. 5.1 amp    
  3. 0.15 amp    
  4. 1.5 amp    

The correct answer is: 1.5 amp

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