anonymous
  • anonymous
A silverwire has a resistance of 1.5Ω at 0°C and a temperature coefficient of resistance of 0.00375/°C. To what temperature must be the raised to double the resistance?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
this is not physics section
ash2326
  • ash2326
@alfers101 This is a Physics question. Please post Physics questions in Physics Subject. Thanks Nevertheless I'll help you here :)
ash2326
  • ash2326
@alfers101 are you here?

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anonymous
  • anonymous
yup i am. im just desperate to answer this.
ash2326
  • ash2326
Cool:D We are given that the resistance of the silver ware at 0 °C is 1.5 ohm Temperature coefficient of resistance is 0.00375 ohms/° C so for each 1° increase in temp. resistance will increase by 0.00375 ohms We want to find the temp at which the resistance will double, Let the temperature increase by T °C so \[1.5\times 2=1.5+0.00375\times T\] or \[3=1.5+0.00375\times T\] From this you can fine T, can't you?
ash2326
  • ash2326
@alfers101 Do you get this?
anonymous
  • anonymous
yup i am thanks. :D now i can answer this one. thanks
anonymous
  • anonymous
This is a problem that i want to solve but i can't really answer it. It's a sample problem from my book: The density of a copper is 8.89 is 8.89 g/cm^3 and the ρ=1924μΩ-cm. Determine the length(m) and resistance of 12kg of copper; the cross-section of which in 2.09mm^2.
ash2326
  • ash2326
@alfers101 Please post this in Physics subject. I'll help you there
anonymous
  • anonymous
okay thanks :D

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