Thévenin II

The questions below are due on Sunday April 07, 2019; 11:00:00 PM.

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For this question, enter all answers as decimal numbers, accurate to within 10^{-3}. Note that these answer boxes will also accept Python expressions, so you do not need to simplify your answer completely.

1) Part 1

Consider the following circuit:

What are the values of the Thévenin equivalent voltage and resistance (to three decimal places) as seen from the V_o port?

V_{th} (in Volts):

R_{th} (in Ohms):

2) Part 2

Consider the following circuit:

Determine the following parameters for the Thévenin equivalent circuit for the above one-port circuit, viewed from the port labeled with V and I.

I_{sc} (in Amps), when R_X = 20\Omega:

V_{th} (in Volts), when R_X = 20\Omega:

What value of R_x will make V_{th}=3.9V? R_{X} (in Ohms):