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This video explains the concept of electric potential difference. It also explains how to determine the direction of electric current flow in a resistor using the electric potential values across a resistor. It also explains how to determine the amount of current flowing in a resistor using voltage and ohm's law.

Physics Video Lessons:


Final Exam and Test Prep Videos:


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Electric Current in Circuits:


The Electric Battery:


Ohm's Law Problems:


Resistance and Resistivity:


Resistor Color Code:


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Internal Resistance of a Battery:


Electromotive Force of a Battery:


Drift Velocity and Current Density:


Potential Difference Between Two Points:


Alternating Current Vs Direct Current:


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Schematic Diagrams & Symbols:


Open, Closed, and Short Circuits:


Resistors In Series:


Resistors In Parallel:


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