A 10-μF capacitor in an LC circuit made entirely of superconducting materials (R = 0 Ω) is charged to 100 μC. Then a superconducting switch is closed. At t = 0 s, plate 1 is positively charged and plate 2 is negatively charged. At a later time, Vab = +10 V. At that time, Vdc is
A)0 V.
B)3.54 V.
C)5.0 V.
D)7.07 V.
E)10 V.

Question

A 10-μF capacitor in an LC circuit made entirely of superconducting materials (R = 0 Ω) is charged to 100 μC. Then a superconducting switch is closed. At t = 0 s, plate 1 is positively charged and plate 2 is negatively charged. At a later time, Vab = +10 V. At that time, Vdc is 
A)0 V. 
B)3.54 V. 
C)5.0 V. 
D)7.07 V. 
E)10 V.

Quizplus · Accepted Answer

The Answer of A 10-μF capacitor in an LC circuit made entirely of superconducting materials (R = 0 Ω) is charged to 100 μC. Then a superconducting switch is closed. At t = 0 s, plate 1 is positively charged and plate 2 is negatively charged. At a later time, Vab = +10 V. At that time, Vdc is 
A)0 V. 
B)3.54 V. 
C)5.0 V. 
D)7.07 V. 
E)10 V.

A 10-μF Capacitor in an LC Circuit Made Entirely of Superconducting