carbon arc lamp वाक्य

उदाहरण वाक्य

1. Carbon arc lamps operate at high powers and produce high intensity white light.
2. In those sites, carbon arc lamps were used to simulate the flash of tram cables.
3. The English engineer William Duddell discovered how to make a resonant circuit using a carbon arc lamp.
4. In the 1920s, carbon arc lamps were sold as family health products, a substitute for natural sunlight.
5. Carbon arc lamps consist of two carbon rod electrodes in open air, supplied by a current-limiting ballast.
6. Emil Behnke used a carbon arc lamp, lenses and reflectors to photograph human vocal cords at exposures of ?second.
7. The only major change is that in 2003 the lamp houses were changed from carbon arc lamp to powerful light bulbs.
8. Carbon arc lamps were started by making contact between two carbon electrodes, which were then separated to within a narrow gap.
9. Thorium fluoride was used in manufacturing carbon arc lamps, which provided high-intensity illumination for movie projectors and search lights.
10. Thorium tetrafluoride was also used in manufacturing carbon arc lamps, which provided high-intensity illumination for movie projectors and search lights.