Gk fill in the blanks british fort foundation jabalpur class 5
3. Tube light is a source of energy.
4. Car battery is a source of Genergy.
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1) Tube light is a source of energy.
Thomas Edison and the “first” light bulb
In 1878, Thomas Edison began serious research into developing a practical incandescent lamp and on October 14, 1878, Edison filed his first patent application for "Improvement In Electric Lights".
Inventor: Joseph Swan; Thomas Edison
2) Car battery is a source of Energy.
While there were small steps taken in battery progress in the early 1700s, the next major moment in the evolution of the battery came with Alessandro Volta, who in 1800 made several key discoveries that spurred progress on battery development.
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