Okay, I need to derive four different forms of variables for an RL Circuit. The

Question

Okay, I need to derive four different forms of variables for an RL Circuit. The four variables consist of: I, VR, VL, VT. Also, this is for a circuit which is closed switch and current is still running through it.

So far, I have:

1.) I = I0(1-e-t/)

2.) VR = IR = I0(1-e-t/)R = (1-e-t/)                  R cancels out because I0 is equal to /R

3.) VL = ?

4.) VT = ?

Okay, this is what I have thus far. Could someone please look over formulas one and two for accuracy and also help me derive formulas three and four? Thanks. Will give a "lifesaver" rating.

Explanation / Answer

     First two answers are correct.     Since it is a series circuit      =   VL +   VR    VL   =   - * (1 - e-t/)             =    * e-t/    I hope VT means VTOTAL    VT = VR + VL          =   

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