For the circuit in the bellow figure, moving of the switch is in the sequence: a) Write the mathematical expressions for the voltages VC, VR₁, VR₂ and the current ic after the switch is thrown into position 1. (write the initial voltage and current in the equations) 50 V b) Find the values of VC, VR₁, VR₁₂ and iç at t=10ms R₁ 3 ΚΩ + UC - C 2 μF After 12ms the switch moved to position 2. Determine the voltage VC, VR₁, R₂ R₂ 1₁

The Capacitor value is 0.08 F.

Determine the inductor current i(t) for t20. Given that Vs = 10V, R₁ = 1kQ, R₂ = 5kQ, R3 = 2kQ2, and L = 1mH. 1=0 ww R₁LR₁

4. The switch in the following circuit has been open for a long time before closing at t=0. A) find the voltage across the inductor as a function of time, VL B) find the current through the inductor as a function of time, iL. V1 R1 M 155 32V R2 625 C1 5μF L1 350mH