Q. 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
A) Zero
B) $\frac{q^{2}}{C}$
C) $\frac{q^{2}}{2C}$
D) $\frac{q^{2}}{4C}$
Explanation
(c) Work done appears in the form of energy which is given by $\frac{q^{2}}{2C}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.