© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023
A. S. A. AlMadhounCircuit Design and Simulation Quick Start GuideMaker Innovations Serieshttps://doi.org/10.1007/978-1-4842-9582-3_5

5. Ohm’s Law

Ashraf Said Ahmad AlMadhoun1  
(1)
Gaza Strip, Israel
 
It is high time that we learn about a fundamental concept in circuit designing which is known as Ohm’s law. In this chapter we are going to discuss about its concept and its application to safely light up a LED. Figure 5-1 shows a simple circuit that will be used for demonstration purposes in this chapter, and it contains only four components, battery, resistor, LED, and a switch. You should know that electric current flows from the positive terminal of a power ...

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