If the electric field between the plates of a parallel-plate capacitor is weakened by inserting a dielectric between the plates, the capacitance of that capacitor stays the same.
may increase or decrease depending on the charge on the capacitor.
decreases.
increases.
If the electric field between the plates of a parallel-plate capacitor is weakened by inserting a dielectric between the plates, the capacitance of that capacitor stays the same.
decreases.
increases.