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 0.517 A. HINT (a) Find the resistance of the light bulb. (Enter your answer in ohms.) (b) Find the resistivity of tungsten (in 0 m) at the bulb's operating temperature if the filament has an uncoiled length of 0.593 m and a radius of 2.53 x 10-5 m. Q: m

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 0.517 A. HINT (a) Find the resistance of the light bulb. (Enter your answer in ohms.) (b) Find the resistivity of tungsten (in 0 m) at the bulb's operating temperature if the filament has an uncoiled length of 0.593 m and a radius of 2.53 x 10-5 m. Q: m

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter12: Batteries And Other Sources Of Electricity

Section: Chapter Questions

Problem 14RQ: 14. A 6-V lead-acid battery has an A-hr rating of 180 A-hr. The battery is to be load-tested. What...

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