The energy required from battery 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
- A\(\frac12\varepsilon_0E^2Ad\)
- B\(\frac12\frac{\varepsilon_0E^2}{Ad}\)
- C\(\frac{\varepsilon_0E^2}{Ad}\)
- D\(\varepsilon_0E^2Ad\)
✓ Correct answer: D
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