# Step 1

- Connect Channel1 of the oscilloscope to the output of the function generator, as shown in the picture below:

- Set the function generator to sinusoidal type of signal, frequency around 2kHz, and amplitude around 2V.

- Set Channel 1 of the oscilloscope to AC coupling, 1V/div, and align the zero level to the center of the screen.

- Set the timebase to 250us/div and trigger source on Channel1, auto mode, and adjust the level to be within the sinusoidal signal.

- With this settings the oscilloscope should display a sinusoidal signal like the one shown in the picture below:

- Use the built-in measure functions of the oscilloscope to dipsplay the frequency, minimum voltage, maximum voltage, peak-peak, mean, and RMS values.

- Insert a screenshot of the oscilloscope displayed waveform and measurements in this step.

- Verify the relationship between signal amplitude, RMS, and Mean quantities as described in the theory section.

# Step 2

- Set the function generator to rectangular type of signal (called also square-wave signal), frequency around 2kHz, and amplitude around 4V.

- Set Channel 1 of the oscilloscope to DC coupling, 1V/div, and align the zero level to the center of the screen.

- Set the timebase to 250us/div and trigger source on Channel1, trigger on rising edge, auto mode, and adjust the level to be within the rectangular signal.

- With this settings the oscilloscope should display a rectangular type signal like the one shown in the picture below:

- Use the built-in measure functions of the oscilloscope to display the frequency, minimum voltage, maximum voltage, peak-peak, mean, and RMS values.

- Insert a screenshot of the oscilloscope displayed waveform and measurements in this step.

# Step 3

- Set the function generator to triangular type of signal, frequency around 2kHz, and amplitude around 4V.

- Set Channel 1 of the oscilloscope to DC coupling, 1V/div, and align the zero level to the center of the screen.

- Set the timebase to 250us/div and trigger source on Channel1, trigger on rising edge, auto mode, and adjust the level to be within the triangular signal.

- With this settings the oscilloscope should display a triangular type signal like the one shown in the picture below:

- Use the built-in measure functions of the oscilloscope to display the frequency, minimum voltage, maximum voltage, peak-peak, mean, and RMS values.

- Insert a screenshot of the oscilloscope displayed waveform and measurements in this step.

# Step 4

Construct the circuit shown in the diagram below:
Here is an example picture of this experiment setup:
And here is a more detailed picture of the circuit on the breadboard:

# Step 5

- Set the function generator to sinusoidal type of signal, frequency around 2kHz, and amplitude around 4V.
- Set Channel 1 of the oscilloscope to AC coupling and 50mV/div
- Set Channel 2 of the oscilloscope to AC coupling and 5V/div
- Set the timebase to 250us/div and trigger source on Channel2, auto mode, and adjust the level to be within the sinusoidal signal.
- Set the oscilloscope built-in Math function to Ch2 - Ch1 and vertical scale 5V/div
- Set the oscilloscope built-in Measure function to measure the RMS values of Channel 1, Channel 2, and Math signals.
- With this settings the oscilloscope should display a sinusoidal signal like the one shown in the picture below:

- The Math trace represents the sinusoidal signal on R1 resistor, and Channel 1 trace represents the sinusoidal signal on R2 resistor.
- Determine the RMS current through this circuit from the voltage measured at node B of the circuit (Channel 1). In the waveforms example shown above the RMS current = 29.6mA, which is determined by translating 29.6mV measured on Ch1 to 29.6mA using I = V/R formula with R=1Ohm
- Insert a screenshot of the oscilloscope display showing these three traces and the measured RMS values.
- Apply Ohm's law for the resistor R1 (100 Ohms) in this circuit by dividing the RMS voltage to the RMS current. What does the result represent and what was the expected value?
- Did this experiment prove that Ohm's law is valid for AC signals?

# Step 6

Construct the series circuit in the diagram below and connect it to the function generator.
Here is an example of testbench circuit:

# Step 7

- Connect Channel1 to node A and Channel2 to node B of the circuit. The ground clips are connected to the ground node of the circuit (Node D). Here is a picture of this setup on the schematic on the testbench:

- In this picture Channel1 is the yellow marked probe and Channel2 is the blue marked probe. Set the "Math" built-in function of TBS1202B-EDU oscilloscope to display Channel1-Channel2. Set the built-in measure function to display the "RMS" value of each trace, as shown in the picture below:

- The measured value of the Math trace represents the RMS voltage drop on R1 resistor. The measured value of Channel 1 represents the RMS value of the function generator output signal. Record these two values since we will use them in Step 10 below.
- Insert a screenshot of the oscilloscope display in this step.

# Step 8

- Connect Channel1 to node B and Channel2 to node C of the circuit. The ground clips are connected to the ground node of the circuit (Node D). Here is a picture of this setup on the schematic on the testbench:

- In this picture Channel1 is the yellow marked probe and Channel2 is the blue marked probe. Set the "Math" built-in function of TBS1202B-EDU oscilloscope to display Channel1-Channel2. Set the built-in measure function to display the "RMS" value of each trace, as shown in the picture below:

- The measured value of the Math trace represents the RMS voltage drop on R2 resistor. Record this value since we will use it in Step 10 below.
- Insert a screenshot of the oscilloscope display in this step.

# Step 9

- Connect Channel1 to node C and Channel2 to node D of the circuit. The ground clips are connected to the ground node of the circuit (Node D). Here is a picture of this setup on the schematic on the testbench:

- In this picture Channel1 is the yellow marked probe and Channel2 is the blue marked probe. Set the "Math" built-in function of TBS1202B-EDU oscilloscope to display Channel1-Channel2. Set the built-in measure function to display the "RMS" value of each trace, as shown in the picture below:

- The measured value of the Math trace represents the RMS voltage drop on R3 resistor. Record this value since we will use it in Step 10 below.
- Insert a screenshot of the oscilloscope display in this step.

# Step 10

- Calculate the sum of the RMS voltages on R1, R2, and R3 resistors, measured in Steps 7,8, and 9.
- Compare this result with the RMS value of the function generator output signal Vx measured in Step 7. Is voltage Vx equal to the sum V_R1 + V_R2 + V_R3?
- Did we prove Kirchhoff's voltage law for AC signals? Explain your answer.