Discharging a Spherical Capacitor
A conducting sphere of radius R has an initial charge +Q and is at an electric potential V₀. At time t = 0, the sphere is connected to ground through a resistor. Which of the following expressions gives the charge on the sphere as a function of time t?
A
Q·(1-e^(-t/RC))
B
Q·(1-e^(-t/R))
C
Q·e^(-t/RC)
D
Q·e^(-t/R)
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