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For the past week I have been taking a trip down memory lane. About 45 years ago, when I initially entered the United States Air Force, I attended technical training school to become a Radio Relay Equipment Repairman. The first course I took at Keesler was a Basic Electronics course.
I decided that I was going to revisit my basic electronics training and watched a very comprehensive video on this subject. The video was very well presented and covered basic electronics in DC circuits in great detail.
Although the training I received in the USAF was somewhat different than the training provided in this video, one thing these two platforms had was the fact that they both presented the laws and formulas, based on the laws of physics, in the same fashion. In this post I intend to discuss two of the laws that were covered.
The first law of physics that needs to be understood is Ohm’s Law. In 1827 German physicist George Ohm explained his theory of electricity, outlining the relationship between voltage, current and his constant of proportionality, resistance. He determined that the current through a conductor between two points is directly proportional to the voltage across those two points. Simply stated, the voltage required for any given circuit as the product of the current and the resistance…