Answer:
- doubling k, the permittivity of the dielectric
- doubling A, the area of each plate
- halving d, the distance between the two plates
Explanation:
The capacitance of a charged parallel-plate capacitor is given by:
[tex]C=\frac{k \epsilon_0 A}{d}[/tex]
where
k is the relative permittivity of the dielectric inside the capacitor
[tex]\epsilon_0[/tex] is the vacuum permittivity
A is the area of each plate of the capacitor
d is the distance between the two plates
From the formula, we see that we can halve the capacitance by doing any of the following:
- doubling k, the permittivity of the dielectric
- doubling A, the area of each plate
- halving d, the distance between the two plates