(a) What is the hot resistance of a 28.0 W light bulb with a tungsten...
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(a) What is the hot resistance of a 28.0 W light bulb with a tungsten filament that runs on 120 V AC?(b) If the bulb's operating temperature is 2700C, what is its resistance at 2590C? The temperature coefficient of resistivity of tungsten is 4.50 x 10-3 C-1.
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