Question: The applied EMF E = 12V, R = 104ohm, and C = 1F. The capacitor is initially uncharged. After the switch is closed at

The applied EMF E = 12V, R = 104ohm, and C = 1F. The capacitor is initially uncharged. After the switch is closed at

The applied EMF E = 12V, R = 104ohm, and C = 1F. The capacitor is initially uncharged. After the switch is closed at point a, how long does it take for the charging current through the resistor to fall to 20% of its initial value? C a b R

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