Multiple Choice
The filament temperature of a light bulb is 2000 K when the bulb delivers 50 W of power.If its emissivity remains constant,what power is delivered when the filament temperature is 2500 K?
A) 122 W
B) 62 W
C) 98 W
D) 50 W
Correct Answer:
Verified
Correct Answer:
Verified
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