If free space between the plates of a capacitor is replaced by a dielectric________?
AThe potential difference decreases but both capacitance and energy increase
Bboth potential difference and capacitance decrease but energy increases
CThe potential difference remains constant capacittance and energy stored increases
DThe potential difference remains constant capacittance decreases and energy increases
Correct answer
A. The potential difference decreases but both capacitance and energy increase
Explanation
The correct answer is The potential difference decreases but both capacitance and energy increase.