The distance between the plates of a parallel plate condenser is 8 mm and P.D. 120 volts. If a 6 mm thick slab of dielectric constant 6 is introduced between its plates, then

Options :
  1. the charge on the condenser will be doubled
  2. the charge on the condenser will be reduced to half
  3. the P.D. across the condenser will be 320volts
  4. None of the above


Answer and Explanation :-

Answer: Option 2

Explanation:

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