According to this lab script,

https://phet.colorado.edu/sims/html/circuit-construction-kit-dc/latest/circuit-construction-kit-dc_en.html

> of6 Page ZOOM + Name: KIrchhoff's Rules Purpose: In this experiment, a multi-loop circuit with two power supplies and several resistors will be constructed using a computer simulation Measurements of current and voltage will be used to show that the predictions from Kirchhoffs loop and junction rules match experimental values. Eguipment: computer/tabletlphone, calculator Theory: Junction rule: Elm = Elm Loop rule: ZAV = 0 Procedure: 1. Consider the following circuit: a. Write down one junction rule equation for this circuit, b. Write down loop rule equations for the two interior loops (not the perimeter loop). Page of ZOOM + Page of6 6. Now find the theoretical currents for the circuit with the following configuration using the equations derived in 1c above: Calculations Table 2 Resistor Values (n) Theoretical current from Kirchhoffs Rules (A) Indicate (+) or (3) R1 1 5.0 I1 R2 47.0 I2 Fig 22.0 I: 7. Use the simulator to build the circuit and measure the currents. Data Table 2 Resistor Values (n) Experimental current (A) (Absolute Value) H1 1 5.0 l1 R2 47.0 I2 Fla 22.0 I: 8. Now find the theoretical currents for the circuit with the following conguration using the equations derived in 1c: Calculations Table 3 Resistor Values (0) Theoretical current from Kirchhoffs Rules (A) Indicate (+) or (-) R1 22.0 I1 R2 47.0 I2 Fla 15.0 la Page