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1.(20 pts) The switch in the circuit shown below has been closed for a long time before it is opened at -0. (a) Is this RL or
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Answer #1

SKn a) The gien circut is pvitehing has ony R and Cin tho ciruit. an Rc cirait unu it v 35kn १। k_ Vc GU c) Vc Co)o inal Vc (1) Exprenion for Velt) fo to Vc ) Ne C) Cv.(ot) -V ()Je- Vlt O 5 - 0) e thomь -20t V Expretion fr ed vet (520 dt - 20t (-20)

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