23.A 15pF parallel-plate capacitor is connected to a 50V battery. The area of each plate is 80cm2 . What is the energy density in the fiele? ( )
(A)  
(B)
(C)  
(D)
(E)

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統計： A(0), B(1), C(15), D(1), E(2) #2308258

詳解 (共 1 筆)

#4641707
 energy density u = ...
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