Electrostatics Question 636
Question: A parallel plate capacitor has plates of area and separation and is charged to a potential difference . The charging battery is then disconnected and the plates are pulled apart until their separation is 2 . What is the work required to separate the plates?
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: D
Solution:
[d]
Solve to get
Alternatively: