Variables for voltage and current on each component (for use in graphically the diagram)

Hello

I have a very simple circuit containing only a source of AC voltage and resistance of two series.

I want to draw the voltage of the source and each resistance. I can't find any variable involves pre right now, I know I und came to the value of the resistance.

for example

UR1 = I * r1

USource = I *(r1+r2)

It's pretty boring... especially because that put in square brackets does not work.

probably the cause variables containing itselfes media.

hope you have an idea

THX

Hello

The way that you have set in place now of things is correct. Multisim, as well as most of other circuit simulators, monitors the node voltages, no voltage drops. When you draw your diagram, Multisim assigns numeric node names to each node. That's why you see v(1) and v(2) and not something like V (R2). To find the voltage drop in R2, you will need to calculate V (2) v (1). To know the name of each of your nodes (also called threads), simply do the following:

  1. Click Options > properties sheet
  2. For option Net names, select Show all
  3. Click OK

To make it easier for you, you can name a few nets to something that is easier to read. You can do this:

  1. Double-click on the net you want to rename (the net is the wire you drew connecting elements)
  2. Enter your name, preferred net in the space provided
  3. Click OK

Hope that answered some of your questions.

Tags: NI Software

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