1.

The energy required to charge a parallel plate condenser of plate separation a and plate area of cross-section A such that the uniform electric field between the plates is E, is   [AIPMPT (S) 2008]

A. \[\frac{1}{2}{{\varepsilon }_{0}}{{E}^{2}}/Ad\]
B. \[{{\varepsilon }_{0}}{{E}^{2}}/Ad\]
C. \[{{\varepsilon }_{0}}{{E}^{2}}Ad\]
D. \[\frac{1}{2}{{\varepsilon }_{0}}{{E}^{2}}Ad\]
Answer» D. \[\frac{1}{2}{{\varepsilon }_{0}}{{E}^{2}}Ad\]


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