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Nonlinear elements in circuit

uytio001

New Member
1605805469530.png
This is orginal picture what I get. The command says "Please find the value of the In current flowing through the nonlinear resistor in the circuit below."

1605805411484.png
Hi, I'm new in electronic and I have problem with that circuit. I did what I can with that circuit and I'm stuck here. I have to calculate In but I don't know how. Could someone help me ?
 

ljcox

Well-Known Member
What is U1 and Un?
U1 appears to be a current, or is it the voltage across the 200 Ohm resistor?
I assume Un is the resistance of the non linear resistor given as a function of In.
 

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