Physics · Electricity
Why is air completely evacuated from an incandescent electric bulb?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To prevent the cracking of the glass outer shell
- 2To prevent the oxidation of the tungsten filament✓
- 3To minimize the weight of the bulb
- 4To increase the intensity of light
Correct answer
To prevent the oxidation of the tungsten filament
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