Response to the following problem:
For the circuit of Fig.
a. Determine the time constant of the circuit.
b. Write the mathematical equation for the voltage vC following the closing of the switch.
c. Write the mathematical expression for the current iC following the closing of the switch.
d. Sketch the waveforms of vC and iC.
![1513_the circui.jpg](https://secure.tutorsglobe.com/CMSImages/1513_the circui.jpg)