The two long, parallel wires shown in the accompanying figure carry currents in the same direction. If I1 : 10A and I2 = 20A, what is the magnetic field at point P? |3D 15.0 cm 5.0 cm 12
The two long, parallel wires shown in the accompanying figure carry currents in the same direction. If I1 : 10A and I2 = 20A, what is the magnetic field at point P? |3D 15.0 cm 5.0 cm 12
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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Can you help with the problem in the second picture uploaded
The first picture are notes to help.
*This is not and will not be graded
Transcribed Image Text:For a point along the y-axis of a circular current-carrying loop
21A
B =
4t (R? + y²)3/2
where R is the radius of the loop and A = TR.
For a point in the center:
Hol
B
2R
For a point a distance r away from an infinitely long straight current carrying wire
%3D
Но 21
4T r
B
In a similar way to how we derived the results above, you can derive the B-field at a point a distance
r away from the mid-point of a long straight current - carrying wire of length L:
IL
В
4t tVr2 + (L/2)²
where L is the length of the wire and I is the current in the wire.
The directions are given by the right-hand rule.
Transcribed Image Text:The two long, parallel wires shown in the accompanying figure carry currents in the same
direction. If I = 10A and I2 = 20A, what is the magnetic field at point P?
15.0 cm
5.0 cm
12
I
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