Multiple Choice
The filament temperature of a light bulb is 2 100 K when the bulb delivers 40.0 W of power.If its emissivity remains constant,what power is delivered when the filament temperature is 2 500 K?
A) 161 W
B) 121 W
C) 80.3 W
D) 60.3 W
E) 40.2 W
Correct Answer:
Verified
Correct Answer:
Verified
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