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Electromotive Force of a Battery, Internal Resistance and Terminal Voltage

This physics video tutorial provides a basic introduction into the electromotive force generated by a battery. The electromotive force is a voltage source that increases the electric potential energy of the charges in the circuit that allows it to do useful work. Resistors, on the other hand absorb energy from the circuit and reduces the electric potential energy of a charge as it moves through the resistor causing a voltage drop. This video the difference between the electromotive force of a battery and the terminal voltage across a resistor connected in parallel to a battery. The terminal voltage is always less than the electromotive force of a battery due to the internal resistance of the battery. Electric Current In Circuits:    • Electric Current & Circuits Explained...   The Electric Battery:    • The Electric Battery and Conventional...   Ohm's Law Problems:    • Ohm's Law Explained - Voltage, Curren...   Resistance and Resistivity:    • Resistivity and Resistance Formula, C...   Resistor Color Code:    • Resistor Color Code Chart Tutorial Re...   ______________________________ Internal Resistance of a Battery:    • Internal Resistance of a Battery, EMF...   Drift Velocity and Current Density:    • Drift Velocity, Current Density, Numb...   Potential Difference Between Two Points:    • Potential Difference Between Two Poin...   Alternating Current Vs Direct Current:    • Alternating Current vs Direct Current...   ______________________________ Schematic Diagrams & Symbols:    • Schematic Diagrams & Symbols, Electri...   Open, Closed, and Short Circuits:    • Open Circuits, Closed Circuits & Shor...   Resistors In Series:    • Resistors In Series - The Easy Way!   Resistors In Parallel:    • Resistors In Parallel - The Easy Way!   Physics PDF Worksheets: https://www.video-tutor.net/physics-b...