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The tungsten filament of an incandescent lamp has a resistance of 200 Ohms at room temperature....

The tungsten filament of an incandescent lamp has a resistance of 200 Ohms at room temperature.

A) What would the resistance be at an operating temperature of 1600 C?

B) Assuming it is plugged into a 120-V outlet, what is its power output when just starting up?

C) By how much does its power output change from the room temperature value when it is at its operating temperature?

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