A voltmeter connected across the terminals of a tungsten-filament light bulb measures 113 V when an ammeter in line with the bulb registers a current of 0.531 A. HINT Apply Ohm's law and the relation between resistivity and resistance. Click the hint button again to remove this hint. (a) Find the resistance of the light bulb. (Enter your answer in ohms.) Ω (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 2.28 x 10-5 m. Q.m

A voltmeter connected across the terminals of a tungsten-filament light bulb measures 113 V when an ammeter in line with the bulb registers a current of 0.531 A. HINT Apply Ohm's law and the relation between resistivity and resistance. Click the hint button again to remove this hint. (a) Find the resistance of the light bulb. (Enter your answer in ohms.) Ω (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 2.28 x 10-5 m. Q.m

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 6CQ: Use the atomic theory of matter to explain why the resistance of a material should increase as its...

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