The Magnitude of the Charge on the Plates of an Isolated

Multiple Choice

The magnitude of the charge on the plates of an isolated parallel plate capacitor is doubled. Which one of the following statements is true concerning the capacitance of this parallel-plate system?

A) The capacitance is decreased to one half of its original value.
B) The capacitance is increased to twice its original value.
C) The capacitance remains unchanged.
D) The capacitance depends on the electric field between the plates.
E) The capacitance depends on the potential difference across the plates.