(a) Find the steady-state current in each resistor. I 1 = In figure bellow, supp

Question

(a) Find the steady-state current in each resistor.
I1 =

In figure bellow, suppose the switch has been closed for a length of time sufficiently long for the capacitor to become fully charged. (e = 8.80 V, r1 = 12 k?, and r2 = 15 k?.) Find the steady-state current in each resistor. Find the charge Q on the capacitor. The switch is opened at t = 0. Write an equation for the current IR2 in R2 as a function of time. Find the time that it takes for the charge on the capacitor to fall to one-fifth its initial value.

Explanation / Answer

a. I1 = 0.326mA

i2 = 0.326mA

i3 = 0A

b. q = 48.8 uC

c. i = 272 x e^ (-t/0.18) uA

d. 0.289 second

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