At t = 0 the switch S is closed with the capacitor uncharged. If C = 30 ?F, ? = 50 V, and R = 10 k?, what is the potential difference across the capacitor when I = 2.0 mA?
a.
20 V
b.
15 V
c.
25 V
d.
30 V
e.
45 V
d
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