The filament of a 240-volt lamp is to be constructed from a wire having a diameter of 0.02 mm and resistivity at 20 C of 4.3 ohms. cm. What length of wire necessary if the lamp is dissipated 60 walls at a filament * .lamp of 2420c
The filament of a 240-volt lamp is to be constructed from a wire having a diameter of 0.02 mm and resistivity at 20 C of 4.3 ohms. cm. What length of wire necessary if the lamp is dissipated 60 walls at a filament * .lamp of 2420c
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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![The filament of a 240-volt lamp is to be constructed from a wire having
a diameter of 0.02 mm and resistivity at 20 C of 4.3 ohms. cm. What
length of wire necessary if the lamp is dissipated 60 walls at a filament
* .lamp of 2420c](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F567d78d1-b21f-4977-a7fe-b04256bcc240%2F0deefb5f-bcba-4f51-83c5-107a044d95ae%2Fc4p52fn_processed.png&w=3840&q=75)
Transcribed Image Text:The filament of a 240-volt lamp is to be constructed from a wire having
a diameter of 0.02 mm and resistivity at 20 C of 4.3 ohms. cm. What
length of wire necessary if the lamp is dissipated 60 walls at a filament
* .lamp of 2420c
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