3/15 Super Position and Source Transformation

We start the day with a lab where we have two 10k ohm resistors and we are asked to find the potential drop between the resistors.

Here we have the graphs of the voltage going in and voltage going out. We have two graphs of sinusoidal, square, and triangle graphs, once with an amplitude of 2V and another with an amplitude of 1V.

We are introduced to the idea of superposition. This idea takes one independent source from a circuit and analyzes the currents and voltages associated with that independent source. Current sources are replaced with an open circuit and voltage sources are replaced with a wire.

Here we have a circuit where we have two different dependent sources, We used mesh analysis to find the different currents/ 

Using the idea of superposition, we are asked to find the current based on the voltage source and current source. 

We are given a more difficult superposition problem where we are asked to find the equivalent resistance and calculate the voltage and current from Req.

Here we are measuring the potential between one of the resistors.

We record the resistance of each resistor as measured from the multimeter and the voltage from each source.

Here we calculate our theoretical values for potential from the given resistance.

We are introduced to the idea of source transformation. This concept allows us to convert voltage sources to current sources and vice versa to make finding the equivalent resistance easier.