Final answer:
A new capacitor is formed by attaching a dielectric material between its conducting plates. The dielectric increases the capacitance of the capacitor by reducing the electric field strength and voltage.
Step-by-step explanation:
A new capacitor is formed by attaching a dielectric material between its two conducting plates. The dielectric material serves to increase the capacitance of the capacitor by reducing the electric field strength inside it. It also reduces the voltage between the plates for the same amount of charge stored, resulting in a larger capacitance.