Electrostatics Question 137
Question: A parallel plate capacitor carries a charge $ q $ . The distance between the plates is doubled by application of a force. The work done by the force is [MP PET 2003]
Options:
A) Zero
B) $ \frac{q^{2}}{C} $
C) $ \frac{q^{2}}{2C} $
D) $ \frac{q^{2}}{4C} $
Show Answer
Answer:
Correct Answer: C
Solution:
Work done appears in the form of energy which is given by $ \frac{q^{2}}{2C} $
