Given the following RC circuit with zero initial condition on the C1 voltage:
- Determine the time constant.
- Write the mathematical equation for the voltage on C1 following the closing of the switch.
- Sketch the waveform for the voltage on C1.
![388_zero initial condition.jpg](https://secure.tutorsglobe.com/CMSImages/388_zero%20initial%20condition.jpg)
Given the following RL circuit with zero initial condition on the L1 current:
- Determine the time constant.
- Write the mathematical equation for the current in L1 following the closing of the switch.
- Sketch the waveform for the current in L1.
![110_RL circuit with zero initial condition.jpg](https://secure.tutorsglobe.com/CMSImages/110_RL%20circuit%20with%20zero%20initial%20condition.jpg)