Question

(i) What happens to the magnitude of the charge on each plate of acapacitor if the potential difference between the conductors isdoubled?
It becomes four times larger.
It becomes two times larger.
It is unchanged.
It becomes one-half as large.
It becomes one-fourth as large.

(ii) If the potential difference across a capacitor is doubled,what happens to the energy stored?
It becomes four times larger.
It becomes two times larger.
It is unchanged.
It becomes one-half as large.
It becomes one-fourth as large.