Voltage Across a Charging Capacitor
A series RC circuit consists of a 12 V battery, a 5 kΩ resistor, and a 10 μF capacitor. At time t = 0, a switch is closed, and the initially uncharged capacitor begins to charge. Which of the following expressions represents the voltage across the capacitor as a function of time t?
A
12e^(-0.05t)
B
12(1-e^(-0.05t))
C
12(1-e^(-t/0.05))
D
12e^(-t/0.05)
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