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Question

A capacitor C is connected to a battery circuit having two switches S subscript 1 end subscript text and  end text S subscript 2 end subscript text and end text text resistors  end text R subscript 1 end subscript text  and  end text R subscript 2 end subscript text end text The capacitor will be fully charged when

  1. both S subscript 1 end subscript text  and  end text S subscript 2 end subscript are closed    
  2. S subscript 1 end subscript text  is closed and  end text S subscript 2 end subscript text  is open end text    
  3. S subscript 1 end subscript text  is open and  end text S subscript 2 end subscript text  is closed end text    
  4. any one of the above    

The correct answer is: S subscript 1 end subscript text  is closed and  end text S subscript 2 end subscript text  is open end text

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