The comparison as a table shows that although energy-saving light bulbs and LEDs are more expensive to purchase, their total costs are significantly lower over a period of 10,000 hours. In addition, they are much more efficient than an incandescent lamp.
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school; Vocational training
Ecology; Energy saving; Environment (general); Environmental protection; Future; Incandescent lamp; Lamp; Semiconductor; Technology
Siemens Stiftung Media Portal