Engineering, 06.02.2021 05:40 nofer
The first inventors of the light bulb, Henry Woodward and Mathew Evans, faced which of the following problems?
The device was not very long lasting
The gas used in the light bulb was polsonous
The patent they tried to file for their invention was not accepted.
The nitrogen gas caused the light bulb to explode,
Answers: 3
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The first inventors of the light bulb, Henry Woodward and Mathew Evans, faced which of the following...
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