A capacitor with capacitance 5 μF is charged to 5 μC. If the plates are pulled apart to reduce the capacitance to 2 μF, how much work is done?

A capacitor with capacitance 5 μF is charged to 5 μC. If the plates

1.	A capacitor with capacitance 5 μF is charged to 5 μC. If the plates are pulled apart to reduce the capacitance to 2 μF, how much work is done?
A.	6.25 × 10-6 J
B.	3.75 × 10-6 J
C.	2.16 × 10-6 J
D.	2.55 × 10-6 J
Answer» C. 2.16 × 10-6 J