29 SSM In Fig. 29-57, four long straight wires are perpendicular to the page, and their cross sections form a square of edge length a = 20 cm. The currents are out of the page in wires 1 and 4 and into the page in wires 2 and 3, and each wire carries 20 A. In unit-vector notation, what is the net magnetic field at the square's center? Figure 29-57 Problems 29, 37, and 40. (2 ( -X

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29) Redraw the square, large enough to draw vectors at the
center. Indicate the directions for each I (O or ).
(5
a) What is the distance from each wire to the center?
b) At the center of the square, draw and label vectors for B for (b
each I.
(SI
c) Which components will cancel? Which will remain?
W (6
d) What is magnitude of B from one wire?
e) Get a number for the component that will remain, then riw (d
determine Bnet.
pitbshib srlj 976 16HW (3
This part is extra, but uses the same figure 29-57. For this part, ed
each wire has length L = 10 m. diza
anoil
HOW (b
a) What is the diagonal distance across the square?
HW (9
10
40
2
30
dizzoq 31
what is the
edi
From parts b), c), and d) below, in the above figure, draw and
label a vector for each B (B₁, B3, B4) in the space next to the 2.
b) At the location of wire 2, what is the magnitude and direction c
B₁, the magnetic field produced by wire 1? Draw and label a
vector B₁ in the space next to the 2 in the above figure.
8 bns 18 bris en
Transcribed Image Text:29) Redraw the square, large enough to draw vectors at the center. Indicate the directions for each I (O or ). (5 a) What is the distance from each wire to the center? b) At the center of the square, draw and label vectors for B for (b each I. (SI c) Which components will cancel? Which will remain? W (6 d) What is magnitude of B from one wire? e) Get a number for the component that will remain, then riw (d determine Bnet. pitbshib srlj 976 16HW (3 This part is extra, but uses the same figure 29-57. For this part, ed each wire has length L = 10 m. diza anoil HOW (b a) What is the diagonal distance across the square? HW (9 10 40 2 30 dizzoq 31 what is the edi From parts b), c), and d) below, in the above figure, draw and label a vector for each B (B₁, B3, B4) in the space next to the 2. b) At the location of wire 2, what is the magnitude and direction c B₁, the magnetic field produced by wire 1? Draw and label a vector B₁ in the space next to the 2 in the above figure. 8 bns 18 bris en
by the arc?
29 SSM In Fig. 29-57, four long straight wires are perpendicular
to the page, and their cross sections form a square of edge length
a = 20 cm. The currents are out of the page in wires 1 and 4 and
into the page in wires 2 and 3, and each wire carries 20 A. In
unit-vector notation, what is the net magnetic field at the
square's center?
Figure 29-57 Problems 29, 37, and 40.
(L-
(1
-X
Transcribed Image Text:by the arc? 29 SSM In Fig. 29-57, four long straight wires are perpendicular to the page, and their cross sections form a square of edge length a = 20 cm. The currents are out of the page in wires 1 and 4 and into the page in wires 2 and 3, and each wire carries 20 A. In unit-vector notation, what is the net magnetic field at the square's center? Figure 29-57 Problems 29, 37, and 40. (L- (1 -X
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