Part (a) I measure the resistance of this wire and find it to be R = 156 Q. What is the resistivity of the material the wire is made out of? Problem 7: A particular wire has a length of L = 2.7 m and a circular cross-sectional area of radius >= 1.69 mm. J= sin() cos cotan() asin() atan() acotan() cosh()) = acos sinh() tanh() cotanh() Degrees O Radians Part (b) What is the conductivity of this wire, in inverse Ohms per meter? sin() cotan() atan() cosh() ß 0 cos tan() asin()) acos() EMAL acotan()) sinh() tanh() cotanh() Degrees O Radians g L P Y d h tan()) m r Part (c) Give an expression for the current density in the wire if an electric field E is passing through it. Write this in terms of the resistivity and the other ariables in the problem. J= A E π (1) 7 8 9 E ^^^L 4 5 6 12 3 0 NO BACKSPACE DEL CLEAR + - END J n R cos( sin()) cotan() asin() atan() acotan() cosh() ( + T ( 78 9 HOME 4 5 6 1 2 3 0 END NO BACKSPACE DEL CLEAR * * 7 8 9 4 5 6 12 0 3 tan()) acos() sinh() tanh() cotanh() - + - END VO BACKSPACE IN CLEAR Part (d) Calculate the current in the wire, in milliamperes, if the field strength is 5.28 V/m. HOME HOME T (1) 7 8 9 HOME EMA 4 5 6 1 2 3 0 END

Part (a) I measure the resistance of this wire and find it to be R = 156 Q. What is the resistivity of the material the wire is made out of? Problem 7: A particular wire has a length of L = 2.7 m and a circular cross-sectional area of radius >= 1.69 mm. J= sin() cos cotan() asin() atan() acotan() cosh()) = acos sinh() tanh() cotanh() Degrees O Radians Part (b) What is the conductivity of this wire, in inverse Ohms per meter? sin() cotan() atan() cosh() ß 0 cos tan() asin()) acos() EMAL acotan()) sinh() tanh() cotanh() Degrees O Radians g L P Y d h tan()) m r Part (c) Give an expression for the current density in the wire if an electric field E is passing through it. Write this in terms of the resistivity and the other ariables in the problem. J= A E π (1) 7 8 9 E ^^^L 4 5 6 12 3 0 NO BACKSPACE DEL CLEAR + - END J n R cos( sin()) cotan() asin() atan() acotan() cosh() ( + T ( 78 9 HOME 4 5 6 1 2 3 0 END NO BACKSPACE DEL CLEAR * * 7 8 9 4 5 6 12 0 3 tan()) acos() sinh() tanh() cotanh() - + - END VO BACKSPACE IN CLEAR Part (d) Calculate the current in the wire, in milliamperes, if the field strength is 5.28 V/m. HOME HOME T (1) 7 8 9 HOME EMA 4 5 6 1 2 3 0 END

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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