$A$ parallel plate capacitor is charged to a potential difference of $100\,V$ and disconnected from the source of $emf$. $A$ slab of dielectric is then inserted between the plates. Which of the following three quantities change?
$(i)$ The potential difference
$(ii)$ The capacitance
$(iii)$ The charge on the plates
$(i)$ The potential difference
$(ii)$ The capacitance
$(iii)$ The charge on the plates
- Aonly $(i)$ and $(ii)$
- Bonly $(i)$ and $(iii)$
- Conly $(ii)$ and $(iii)$
- DAll $(i), (ii)$ and $(iii)$
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