Write the Biot-Savart Law for a steady current I. ( By drawing the problem, write the expression for the vectoral magnetic flux density irrounding an infinitely long wire carrying a line current of I.

University Physics Volume 2
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Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 108CP: A wire ismade into a circular shape of radius R and pivoted along a central support.The two ends of...
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QUESTION.3.
a) Write the Biot-Savart Law for a steady current I. (
b) By drawing the problem, write the expression for the vectoral magnetic flux density
surrounding an infinitely long wire carrying a line current of I.
c) Three infinitely long, parallel wires are located at the corners of an equilateral triangle as
shown in the figure below. If each wire is carrying a current of 100 A in +x direction and the
constitutive parameters of the medium are ɛ, = 10, µ, = 4, 0 = 0, find the vectoral forces;
i) F,
wire1
ii) F,
iii) F3 (
Coordinate System
per unit length on each wire.
wire2
wire3
60°
60°
V3
mm
Transcribed Image Text:QUESTION.3. a) Write the Biot-Savart Law for a steady current I. ( b) By drawing the problem, write the expression for the vectoral magnetic flux density surrounding an infinitely long wire carrying a line current of I. c) Three infinitely long, parallel wires are located at the corners of an equilateral triangle as shown in the figure below. If each wire is carrying a current of 100 A in +x direction and the constitutive parameters of the medium are ɛ, = 10, µ, = 4, 0 = 0, find the vectoral forces; i) F, wire1 ii) F, iii) F3 ( Coordinate System per unit length on each wire. wire2 wire3 60° 60° V3 mm
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