"An infinitely long conductor is lying on x = 1, -infinity <= y <= +infinity, z = 0 (in meters). If another infinitely long conductor is lying on x = 1, -infinity <= y <= +infinity, z = 2 (in meters), determine the force per unit length if both conductors carries a current of 2 mA directed from -infinity <= y <= +infinity." O 4x10^-13 N/m 2x10^-10 N/m 3.18x10^-7 N/m 1.59x10^-7 N/m none of the choices "An infinitely long conductor is lying on x = 1, -infinity <= y <= +infinity, z = 0 (in meters). If another infinitely long conductor is lying on x = 1, -infinity <= y <= +infinity, z = 2 (in meters), determine the direction of F_12." -a_x a_x a_z -a_z none of the choices

"An infinitely long conductor is lying on x = 1, -infinity <= y <= +infinity, z = 0 (in meters). If another infinitely long conductor is lying on x = 1, -infinity <= y <= +infinity, z = 2 (in meters), determine the force per unit length if both conductors carries a current of 2 mA directed from -infinity <= y <= +infinity." O 4x10^-13 N/m 2x10^-10 N/m 3.18x10^-7 N/m 1.59x10^-7 N/m none of the choices "An infinitely long conductor is lying on x = 1, -infinity <= y <= +infinity, z = 0 (in meters). If another infinitely long conductor is lying on x = 1, -infinity <= y <= +infinity, z = 2 (in meters), determine the direction of F_12." -a_x a_x a_z -a_z none of the choices

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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For a solid cylindrical conductor centered at the origin of radius “4cm” and carrying a uniform current of 3 A in the “z” direction. Find B at the following points: a) (2,6,0) b) (6,2,0)
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The magnetic field intensities inside and outside of a long and smooth conductor with a cross section radius are as follows. Accordingly, find the current densities J inside and outside the conductor. (Hint: Use cylindrical coordinates)
Conductors A composite conductor 10 m long consists of an inner core of steel of radius 1.5 cm andan outer sheath of copper whose thickness is 0.5 cm. Take the resistivities of copper andsteel as 1.77 x10-8 and 11.8 x10-8Ω respectively. Determine the resistance of the conductor. If the total current in the conductor is 60 A, what current flows in each metal? Find the resistance of a solid copper conductor of the same length and cross-sectional areas as the sheath.
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In a three layered, cylindrical electrode system, 100 kV is applied to the inner conductorwhile the outer conductor is grounded. Radii of cylinders in this system are: r1 =1 cm, r2 =1.5cm, r3 =3 cm, and R =5 cm. Relative dielectric constants of layers are r1 = 5, r2 = 3 and r3 =2.5 respectively;a) Calculate maximum and minimum field strengths across each layer.b) If R=5 cm and r3 =4.5 cm, for uniformly stress condition find the new values of r1 and r2and the thickness of each layer.
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The current density in a very long hollow cylindrical conductor of radius a and b, with a < b, has the direction of the cylinder axis, with modulus given by J = J0(r2/ab) where J0 is a positive constant and r is the distance from the axis of the conductor. Calculate the magnetic field for a < r < b.
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