I need help on part b and c, thank you The magnetic field 35.5 cm away from a long, straight wire carrying current 1.95 A is 1.10 μT.(a) At what distance is it 0.110 μT?354.54cm(b) At one instant, the two conductors in a long household extension cord carry equal 1.95 A currents in opposite directions. The two wires are 3.00 mm apart. Find the magnetic field 35.5 cmaway from the middle of the straight cord, in the plane of the two wires.0.93XYour response is off by a multiple of ten. nT(c) At what distance is it one tenth as large?4.19E5XYour response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. cm(d) The center wire in a coaxial cable carries current 1.95 A in one direction, and the sheath around it carries current 1.95 A in the opposite direction. What magnetic field does the cable createat points outside?0nT

Answered: The magnetic field 35.5 cm away from a…

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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I need help on part b and c, thank you

The magnetic field 35.5 cm away from a long, straight wire carrying current 1.95 A is 1.10 μT.
(a) At what distance is it 0.110 μT?
354.54
cm
(b) At one instant, the two conductors in a long household extension cord carry equal 1.95 A currents in opposite directions. The two wires are 3.00 mm apart. Find the magnetic field 35.5 cm
away from the middle of the straight cord, in the plane of the two wires.
0.93
X
Your response is off by a multiple of ten. nT
(c) At what distance is it one tenth as large?
4.19E5
X
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. cm
(d) The center wire in a coaxial cable carries current 1.95 A in one direction, and the sheath around it carries current 1.95 A in the opposite direction. What magnetic field does the cable create
at points outside?
0
nT

Expert Solution

Step 1: Magnetic field due a current in straight wire

The formula for the magnetic field produced by a long, straight wire at a distance r from the wire is given by:

$straight B equals fraction numerator straight mu subscript 0 straight I space over denominator 2 straight pi straight r end fraction$

Where:

B is the magnetic field strength in teslas (T).
$straight mu subscript 0$ is the permeability of free space, approximately equal to $4 straight pi cross times 10 to the power of negative 7 end exponent$ T·m/A.
I is the current in amperes (A).
r is the distance from the wire in meters (m).

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