Question: In Figure P28.71, suppose the switch has been closed for a time sufficiently long for the capacitor to become fully charged. Find (a) The steady-state

In Figure P28.71, suppose the switch has been closed for a time sufficiently long for the capacitor to become fully charged. Find
(a) The steady-state current in each resistor and
(b) The charge Q on the capacitor.
(c) The switch is now opened at t = 0. Write an equation for the current through R2 as a function of time and
(d) Find the time interval required for the charge on the capacitor to fall to one-fifth its initial value.

In Figure P28.71, suppose

12.0 k 9.00 v. Ro 15.0 ko 8.00 k2

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