Incandescent Lamp And Flourescent Lamp
The incadescent lamp and the flourescent lamp differ in many qualities. Ont he average, less than 10% of the wattage of an incandescent is utilized to produce light and the rest produces heat. Hence this is a poor choice for energy conversation. This is because incandescent lamp produces poor and low level lighting. It is cheaper, fast starting and has a good warm color and small in size. It is very sensitive to voltage change, eventually increases to about 25% while a 10% over voltage, it’s life span is reduced to 75%. Generally its life span is realtively short.
Whereas,a flourescent contrasts to incandescent lamp, has a high effiency. About 20% of its input energy becomes light and 80% is converted to heat, including the ballast heat energy loss. Florescent lamp has longer life. However, its life span is affected by the number of cathode. An average flourescent lamp that burns continously will last about 30,000 hours with an average of 3hours per start. It is not so sensitive and is not materially affected by voltage changes. However, flourescent lamps that are noisy due to the ballst hum. It is relatively large and expensive.