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Ohm’s Law Example #1

This tutorial shows how to determine the current in this simple series resistor (voltage divider) circuit using Ohm's law. We use the principle of voltage division to first find the total circuit resistance of the three series resistors, and then rearrange Ohm's law (V=IR) to get the I=V/R, ie, the total current is equal to the total voltage divided by the total resistance. The current through each resistor will be equal to the total current, as there is only one path for the electric current to follow. At 2:03 I write 39Ω but say "39 volts" ... I meant to say "39 ohms." Sorry if that confused anyone! This video is part of a full free course on electric circuits. The course covers DC circuits, circuit laws, current & voltage sources, series & parallel resistors, nodal analysis, mesh analysis, and AC circuits. Links to the course are here: Website: https://www.engineer4free.com/circuits YouTube:    • Circuits   If you found this video helpful, then please: Support my work on Patreon:   / engineer4free   Subscribe on YouTube: https://www.youtube.com/subscription_... Join the Mail List: http://www.engineer4free.com/newsletter Also follow these: Facebook:   / engineer4free   Instagram:   / engineer4free   Twitter:   / engineer4free   Thanks for watching, I hope it helps!