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44 Cards in this Set
- Front
- Back
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Carries the current to the filament |
Contact wire |
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Slows down the evaporation of the filament |
Inert gas |
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Metal end of the light buld inserted into the saket |
Base |
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Supports the botton |
Stem |
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End of the stem The filaments support are attached to it |
Botton |
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Metal wires holding the filament |
Support |
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Emits light rays |
Filament |
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Gas sealed into a glass envelope into which the luminous body of a lamp is inserted |
Bulb |
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What is rhe gases inside the bulb |
Nitrogenand argon |
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What are the 8 parts of a incandescent lamp |
Filament Bulb Support Inert gas Contact wire Stem Botton Base |
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Evolutioned platinum filemtn and carbon acr gas, 1801-1809 |
Sir humpy davy |
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Evolutioned vacuum tube endosure,1840 |
Warren de la rue |
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Powered charcoal filament,1841 |
Frederick de molens |
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Evolutioned the carbonised bamboo filament 1854 |
Heinrich gobel |
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Evolutioned the gas filled globe, 1875 |
Woodward and evanx |
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Evolutioned the Long lasting filament,1880 |
Thomas edison |
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Evolutioned the better filament production, 1882 |
Lewis letimer |
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Evolutioned the tungsten filemtn, 1910 |
William david |
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Lamp Life of an incandescent |
750-1,000 hours |
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Lamp life of an CFL |
6,000-15,000 hours |
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The amount of light produced per watt of electricity of an incandescent |
8-15 lumens |
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Amount of light produced per watt of electricity of CFL |
50-75 lumens |
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Energy efficiency of an incandescent |
107 degree to produce light 907 degree emitted as heat |
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Energy efficiencyof an CFL |
Consume only one third of the power of similar wattage incandescent bulbs |
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The meaning of CFL?? |
Compact fluorescent lamp |
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4 Shapes of an compact fluorescent lamp |
Tubular Circular U-shaped Spiral
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Tube is filled with very low pressure mercury vapor and a special powder coat inside the tube |
Fluorescent light |
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Parts of a fluorescent tube |
Bulb Base Phosphur Gas Cathode Arc discharge Exhaust tube Stem press |
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Straight gas tube, circular or V-shape |
Bulb |
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Connects to the electrical circuit and supports the lamp in the lamp holder |
Base |
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Coating inside the bulb |
Phosphur |
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Usually argon or a mixture of inert gas at low temperature |
Gas |
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Where electrons enter (coiled tungsten) |
Cathode |
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Excites the mercury vapor which generates refient energy |
Arc discharge |
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Where air is exhauste during manifacture and inert gas inteoduced into bulb |
Exhaust tube |
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Connectors to the base pins carrying the current. To and from the cathodes and mercury arc |
Stem press |
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Parts of a fluorescent lamp |
Ballast Starter |
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Regulates the current to the bulb and provides suffecient voltage to the bulb |
Ballast |
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Allows current to flow through the fillament
Also know as time starter |
Starter |
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The first person to use the term electric force, magnetic pole, and electric attraction |
William gilbert |
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Who discovered electric charge |
Ancient Greek |
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Who wrote a book entitled "de magnete : magneticisique corpiribus" |
William gilbert |
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Who is the father of modern electricity |
Nikola tesla |
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What is franklins famous experiment |
Kita and key experiment |
