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After charging a capacitor the battery is removed. Now by placing a dielectric slab between the plates :- 
  • A
    The potential difference between the plates and the energy stored will decrease but the charge on plates will remain same
  • B
    the charge on the plates will decrease and the potential difference between the plates will increase
  • C
    the potential difference between the plates will increase and energy stored will decrease but the charge on the plates will remain same
  • D
    the potential difference, energy stored and the charge will remain unchanged.
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