A voltmeter connected across the terminals of a tungsten-filament light bulb measures 116 V when an ammeter in line with the bulb registers a current of 0.647 A.   (a) Find the resistance of the light bulb. (Enter your answer in ohms.)  ?Ω (b) Find the resistivity of tungsten (in Ω · m) at the bulb's operating temperature if the filament has an uncoiled length of 0.593 m and a radius of 2.53 ✕ 10−5 m. ? Ω · m

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Q: voltmeter connected across the terminals of a tungsten-filament light bulb measures 117 V when an…

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Q: A voltmeter connected across the terminals of a tungsten-filament light bulb measures 117 V when an…

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Q: A voltmeter connected across the terminals of a tungsten-filament light bulb measures 116 V when an…

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Q: resistivity of tungsten

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