From the course: Electronics Foundations: Fundamentals

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Circuit basics

Circuit basics

From the course: Electronics Foundations: Fundamentals

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Circuit basics

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- [Instructor] When working with electricity, we create circuits which are looped pathways for electrons to travel around. In the case of this circuit, connecting a battery and a light bulb, the wires create a loop that allows an electron to travel from the negative terminal through the light bulb and down to the positive terminal. Then the battery uses some of its stored energy to move that electron back over to the negative side so it can make another trip around the circuit. And this process will continue over and over for all of the electrons in the circuit. You can relate this process to the way water cycles through a fountain. The fountain has a pump which takes water from the base of the fountain and uses energy to increase its pressure. The high pressure then shoots up into the air, falls back down and gets collected in the base to be cycled again. In the case of my simple circuit, the battery is acting like the pump.…

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