Tungsten filament has a cold resistance of 0.350 ohms. If the temperature increases from 20°C to its typical operating temperature of 2850°C, what will be its operating resistance?
Tungsten filament has a cold resistance of 0.350 ohms. If the temperature increases from 20°C to its typical operating temperature of 2850°C, what will be its operating resistance?
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Transcribed Image Text:**Understanding Tungsten Filament Resistance**
A tungsten filament has a cold resistance of 0.350 ohms. If the temperature increases from 20°C to its typical operating temperature of 2850°C, what will be its operating resistance?
**Explanation:**
This concept illustrates how the resistance of materials like tungsten changes with temperature. As the temperature rises, the resistance of the tungsten filament increases. This principle is crucial for designing and understanding electrical components that operate at various temperatures, ensuring they function efficiently and safely.
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