Electric+current

[|Electric Current] - the rate of charge flow past a given point in an electric circuit, measured in Coulombs/second which is named Amperes. In most DC electric circuits, it can be assumed that the resistance to current flow is a constant so that the current in the circuit is related to voltage and resistance by Ohm's law.


 * [|alternating current (AC)] - an electrical current whose magnitude and direction vary cyclically. The usual waveform of an AC power circuit is a sine wave, as this results in the most efficient transmission of energy. This is the form in which electricity is delivered to businesses and residences.


 * direct current - an electrical current whose direction remains constant.


 * electricity
 * electrical circuit - a path along which electricity can travel.
 * resistor
 * conductor
 * voltage


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 * voltage
 * [|resistance] - the repulsion of a current within a circuit. It explains the relationship between voltage (amount of electrical pressure) and the current (flow of electricity).
 * Ohm's Law - Resistance, discovered by Georg Simon Ohm in 1827, is the ratio between voltage and current. Ohm's law said that the voltage between any two points in a conductor changes directly as the current between the two points, given the temperature remains the same.

> electricity, electrical current, amperes, circuits, resistance, current, flow, voltage, resistance, conductor, sine wave, direction, modulation, amplitude
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 * [|Ohm's Law] - interactive simulation
 * [|Glow Sticks] (video 2:16) - When all parts of the circuit are connected, electricity flows from the battery to the lights and back to the battery, making your glow stick glow!
 * [|Squishy Circuits] (video 7:04) - making conductor dough and insulator dough. With a special recipe of food-safe, kitchen-made, pliable dough developed at the University of St. Thomas, use your hands to mold your very own simple circuits right before your eyes. * [|Squishy Circuits] – The home of all things related to Squishy Circuits * [|Squishy Circuits Store] – Kits of LEDs and other parts that work well with squishy circuits


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