Answer :
Final answer:
The tungsten filaments in incandescent bulbs heat up to temperatures over 4000 degrees Fahrenheit in normal operation.
Explanation:
The tungsten filaments in incandescent bulbs heat up to temperatures over 4000 degrees Fahrenheit in normal operation. Incandescent bulbs work by passing an electric current through the tungsten filament, causing it to heat up and emit light. The high temperature of the filament causes it to glow and produce visible light.
Learn more about Tungsten filaments in incandescent bulbs here:
https://brainly.com/question/31261875