NEET2008PhysicsCapacitanceActual
The energy required to charge a parallel plate condenser of plate separation d and plate area of cross-section A such that the uniform electric field between the plates is E, is
Options
- A1 2 ₀ E^2 A d
- B1 2 ₀ E^2 / A . d
- C₀ E^2 / A d
- D₀ E ^2 A d
Correct answer
A. 1 2 ₀ E^2 A d
Step-by-step solution
Energy required = 1 2 C V^2= 1 2 ₀ E^2 Ad