Examlex
A ring topology needs more cables to connect the nodes within a network than a star topology.
Incandescent Bulbs
Electric light sources that produce light by heating a filament wire to a high temperature.
Tungsten Lightbulb
A type of incandescent light bulb that uses a tungsten filament to produce light when heated by an electric current.
Candle Power
A measure of light intensity now largely replaced by the metric unit, candela.
Florescent Light
An energy-efficient lighting device using mercury vapor to emit UV light, which then causes a phosphorescent coating to glow.
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