This physics video tutorial provides a basic introduction into open circuits, closed circuits, and short circuits. An open circuit contains a break in the circuit and does not conduct electricity. The closed circuit is a circuit that conducts an electric current and has a measurable amount of resistance. The short circuit is a closed circuit with almost no resistance which allows a large amount of electricity to flow in the conductor which can be a fire hazard. This video also briefly discusses the purpose of a fuse and a circuit breaker to prevent the formation of a short circuit.

Electric Current In Circuits:
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The Electric Battery:
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Ohm's Law Problems:
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Resistance and Resistivity:
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Resistor Color Code:
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Internal Resistance of a Battery:
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Electromotive Force of a Battery:
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Drift Velocity and Current Density:
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Potential Difference Between Two Points:
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Alternating Current Vs Direct Current:
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Schematic Diagrams & Symbols:
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Resistors In Series:
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Resistors In Parallel:
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Physics PDF Worksheets:
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