RacheleMurnan RacheleMurnan
  • 04-09-2014
  • History
contestada

The first light bulb had a filament made of _____.

Respuesta :

mashenka
mashenka mashenka
  • 04-09-2014
Filament of the first light bulb was made of carbonized piece of cotton. It was invented by Thomas Edison in 1879 and the lifetime of this light bulb was approximately 13 hrs.
Answer Link

Otras preguntas

Olivia ties 2.5 feet of ribbon onto one balloon how many yards of ribbin does olivia need for 18 ballons
What is an indefinate pronoun
he table shows the percentages of hydrocarbons that are found in a sample of crude oil. Hydrocarbons Percentage Paraffins 30 Naphthenes 49 Aromatics 15 Asphalti
6/6 as a mixed number
What is it called when copper can be stretched into s thin wire?
Gretchen has 48 small shells uses two shelves to make one pair of earrings how many pairs of earrings can she make
What is the pH level of Mg?
An essay is a type of A fictional short story B technical material C figurative language D personal non fiction
_______ an embedded Word table to activate the Word features. A. Click B. Shift-click C. Double-click D. Ctrl-click
The inverse of "If an angle is reflexive, then it is more than 270 degrees" is "If an angle is not reflexive, then it is not more than 270 degrees."