Electrostatics Question 136
Question: A parallel plate capacitor of capacity is charged to a potential (i) The energy stored in the capacitor when the battery is disconnected and the separation is doubled (ii) The energy stored in the capacitor when the charging battery is kept connected and the separation between the capacitor plates is doubled is Then value is [EAMCET 2003]
Options:
A) 4
B) 3/2
C) 2
D) 1/2
Show Answer
Answer:
Correct Answer: A
Solution:
Let
and
So