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Questions and Answers
The first incandescent electric light was made in 1800 by ______
and invented an electric battery
The first incandescent electric light was made in 1800 by ______ and invented an electric battery
- Humphry Davy (correct)
- Joseph Wilson
- Thomas Alva edison
English physicist, was determined to advise a practical long lasting electric light, He found that a carbon filament worked well, but burned up quickly
English physicist, was determined to advise a practical long lasting electric light, He found that a carbon filament worked well, but burned up quickly
- Humphry Davy
- Thomas Alva edison
- Joseph Wilson (correct)
An American inventor experimented with a thousand of different filaments to find just right material to glow well and long-lasting
An American inventor experimented with a thousand of different filaments to find just right material to glow well and long-lasting
- Thomas Alva Edison (correct)
- Humphry Davy
- Joseph Wilson
Discovered that a carbon filament in an oxygen
Discovered that a carbon filament in an oxygen
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Produced a bulb that could glow for over 1500hours
Produced a bulb that could glow for over 1500hours
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improved that the light bulb by inventing a carbon filaments
improved that the light bulb by inventing a carbon filaments
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Edison Research Team was called____
Edison Research Team was called____
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_____ Invented a treatment for a filaments so that it would not darken inside the bulb as it glowed
_____ Invented a treatment for a filaments so that it would not darken inside the bulb as it glowed
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invented a tungsten filament, which asted even longer than the older filaments
invented a tungsten filament, which asted even longer than the older filaments
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