Electric Current

Electric Current

Streaming Video - 2005
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This investigation employs a 100-watt incandescent bulb, nichrome wire, and a variac; electric wire, a dry cell, and a compass; an ammeter; an induction coil; argon, helium, neon, and mercury and a discharge tube; a string of lights on a Christmas tree; a Crookes tube and induction coil; and electrodes, an electric bulb, and a beaker alternately filled with water, sugar, table salt, vinegar, lemon juice, and orange juice solutions to understand the following: how incandescent bulbs and fluorescent tubes work; Ohm's law; proportional relationship between current and voltage; series and parallel configurations; positive and negative electrons; electrically conductive and nonconductive liquids; ions
Publisher: New York, N.Y. : Films Media Group, [2005], c1997


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