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Let's explore what potential difference is. We will learn how to calculate it, its formula, and solve a couple of examples.
Course: Class 12 Physics (India) > Unit 6. Lesson 5: Motional EMF. Emf induced in rod traveling through magnetic field. Part 1 - Why is an EMF induced in a moving rod? Part 2 - Why is an EMF induced in a moving rod? Emf induced in a rotating rod (& disc) - Motional EMF.
Unit 2: Electric force, field, and potential. AP® is a registered trademark of the College Board, which has not reviewed this resource. Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today!
A voltage divider is a simple series resistor circuit. It's output voltage is a fixed fraction of its input voltage. The divide-down ratio is determined by two resistors. Written by Willy McAllister.
Course: Electrical engineering > Unit 2. Lesson 4: Natural and forced response. Capacitor i-v equations. A capacitor integrates current. Capacitor i-v equation in action. Inductor equations. Inductor kickback (1 of 2) Inductor kickback (2 of 2) Inductor i-v equation in action.
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Course: Physics archive > Unit 5. Lesson 1: Work and energy. What are energy and work? What is kinetic energy? What is gravitational potential energy? What is conservation of energy? Work and the work-energy principle. Work as the transfer of energy. Work example problems.
- [Teacher] The potential difference between the two terminals of a cell is three volts. Find the work done in moving five coulombs of charge across the cell. So we need to calculate how much work is being done in moving five coulombs of charge.