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
A. \(\varepsilon_{0} \mathrm{E}^{2} \mathrm{Ad}\)
B. \(\frac{1}{2} \varepsilon_{0} \mathrm{E}^{2} \mathrm{Ad}\)
C. \(\frac{1}{2} \varepsilon_{0} \mathrm{E}^{2} / \mathrm{Ad}\)
D. \(\varepsilon_{0} \mathrm{E}^{2} / \mathrm{Ad}\)
Answer:A
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
A. \(\varepsilon_{0} \mathrm{E}^{2} \mathrm{Ad}\) B. \(\frac{1}{2} \varepsilon_{0} \mathrm{E}^{2} \mathrm{Ad}\) C. \(\frac{1}{2} \varepsilon_{0} \mathrm{E}^{2} / \mathrm{Ad}\) D. \(\varepsilon_{0} \mathrm{E}^{2} / \mathrm{Ad}\)