A voltmeter connected across the terminals of a tungsten-filament light bulb measures 112 V when an ammeter in line with the bulb registers a current of 0.536 A. HINT (a) Find the resistance of the light bulb. (Enter your answer in ohms.) 22 (b) Find the resistivity of tungsten (in 2 m) at the bulb's operating temperature if the filament has an uncoiled length of 0.553 m and a radius of 2.43 x 10-5 m. Q.m

A voltmeter connected across the terminals of a tungsten-filament light bulb measures 112 V when an ammeter in line with the bulb registers a current of 0.536 A. HINT (a) Find the resistance of the light bulb. (Enter your answer in ohms.) 22 (b) Find the resistivity of tungsten (in 2 m) at the bulb's operating temperature if the filament has an uncoiled length of 0.553 m and a radius of 2.43 x 10-5 m. Q.m

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 11P

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