Just went through the second lesson of Introduction to Digital Electronics - Electronic Circuits. This time it was taught by Steven Lanzisera.
In this lesson he explains what a node is. Later, he talks about Kirchoff's Voltage and Current Laws. I think I was taught a different method from this but I still feel it is interesting. The point to note is that when we measure the voltage and current according to the direction of Kirchoff's Laws, the laws hold true.
He also talks about power - that the power dissipated is more than zero and the power delivered is less than zero. Therefore, the total power of an electrical circuit, being the sum of these two values should be equal to zero.
Worth watching. He is a potential in this field.
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