Physics · Illumination
The normal working temperature of a gas-filled tungsten filament lamp is approximately _________.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12200°C
- 23000°C to 3200°C
- 32700°C to 2800°C✓
- 42000°C
Correct answer
2700°C to 2800°C
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