If free space between the plates of a capacitor is replaced by a dielectric_____________?

A. The potential difference remains constant capacittance and energy stored increases

B. The potential difference remains constant capacittance decreases and energy increases

C. The potential difference decreases but both capacitance and energy increaseCorrect Answer

D. both potential difference and capacitance decrease but energy increases

Correct Option: C. The potential difference decreases but both capacitance and energy increase

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