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試卷名稱：111年 - 111 國立清華大學學士後西醫學系單獨招生考試_學士後醫學系/自然科學組：物理#110533
年份：111年
科目：學士後西醫-物理
34. Suppose two parallel plates in Fig. 4, cach has an area of 100 cm2and are 0.1 cm apart. The capacitor is connected to a power supply and charged to a potential difference V0 = 3000 V. It is then disconnected from the power supply. Which of the following values is closest to the total energy (U) stored in the capacitor in J?
(A) 
(B)
(C)
(D) 
(E) 