use a 0.50-mmmm-diameter copper wire as the heating element, how long should the wire be if you want to generate 25 WW of heating power? The resistivity of copper is 1.68×10−8Ω⋅m×10−8Ω⋅m. What happens if you accidentally connect the blanket to a 9.0-VV battery? The power will increase by a factor of 36
use a 0.50-mmmm-diameter copper wire as the heating element, how long should the wire be if you want to generate 25 WW of heating power? The resistivity of copper is 1.68×10−8Ω⋅m×10−8Ω⋅m. What happens if you accidentally connect the blanket to a 9.0-VV battery? The power will increase by a factor of 36
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 70AP: A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the...
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You want to design a portable electric blanket that runs on a 1.5-VV battery.
if you use a 0.50-mmmm-diameter copper wire as the heating element, how long should the wire be if you want to generate 25 WW of heating power? The resistivity of copper is 1.68×10−8Ω⋅m×10−8Ω⋅m.
What happens if you accidentally connect the blanket to a 9.0-VV battery?
The power will increase by a factor of 36 and the material might catch fire |
The power will decrease by a factor of 6. |
The power will decrease by a factor of 36. |
The power will increase by a factor of 6 and the material might catch fire |
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