I have the following circuit:

Given diagram of the circuit


Iz = 80 mA

R1 = 100 Ohms R2 = 150 Ohms R3 = 220 Ohms R4 = 330 Ohms R5 = 100 Ohms

  1. As I understand Gi stand for the current source internal conductivity, but provided only the current Iz how can I calculate it? My guess is I need to know the resistance of the whole circuit...
  2. How to calculate the resistance of this whole circuit, I tried simplifying but as it seems to me there is nothing to simplify
  3. How to solve it using node voltage method, preferably if you can elaborate step by step so I understand it

If anyone helped it would be greatly appreciated!

  • \$\begingroup\$ you have a delta at the top you can convert into a star. electronics-tutorials.ws/dccircuits/dcp_10.html \$\endgroup\$ – Trevor_G Oct 20 '17 at 9:35
  • \$\begingroup\$ is there any universal method, more like an algorithm? \$\endgroup\$ – slimDeviant Oct 20 '17 at 9:40
  • \$\begingroup\$ Also I don't see how is this a delta, can you please elaborate? \$\endgroup\$ – slimDeviant Oct 20 '17 at 9:41
  • \$\begingroup\$ R1 R2 and R3 is a delta... and yes read that link, the equations are in there. There are probably calculators on line too. \$\endgroup\$ – Trevor_G Oct 20 '17 at 9:49
  • \$\begingroup\$ Thank you for that! Is there an universal method to solve a circuit like this? More like algorithmic one? \$\endgroup\$ – slimDeviant Oct 20 '17 at 9:50

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