A capacitor-charging circuit has a time constant of 40 ms. When the switch is closed, the initial current to the 50 F capacitor is 65 mA. What is the capacitors voltage after 20 ms? Assume the capacitor was completely uncharged when the switch closed.
Chapter 31, EXERCISES AND PROBLEMS #77
A capacitor-charging circuit has a time constant of 40 ms. When the switch is closed, the initial current to the 50 μF capacitor is 65 mA. What is the capacitor’s voltage after 20 ms? Assume the capacitor was completely uncharged when the switch closed.
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