Electric circuits (part 1) | Physics | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now. https://www.khanacademy.org/science/ap-physics-2 Electric circuits are paths through which electric current can flow. Circuits are composed of specific building blocks known as circuit elements. Circuit elements include batteries and other voltage sources, wires, resistors, light bulbs and LEDs, and switches. Ammeters and voltmeters can be used to measure current and voltage in a circuit, respectively. An open circuit contains a broken path, preventing current flow. A short circuit contains a path with negligible resistance, resulting in very high current. Sections: 00:00 - Intro 00:25 - Circuit elements and symbols 04:10 - Open circuit 07:56 - Short circuit 09:30 - Simple circuit with a resistor 10:50 - Summary ------------------ Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc