Four very long, parallel conductors carry equal clectric currents (I-2- Ia - I- 10 A). Figure 5 is an end view of the four conductors forming a square (cach side equals 20 cm). The direction of the current is into the page at A and B (indicated by the croSses), and out of the page at C and D (shown as dots). What is the direction and magnitude of the total magnetic field B at P, which is the center of the square? A B I, 20 em •P с 20 ст FIC. 5: Probleт 4.
Four very long, parallel conductors carry equal clectric currents (I-2- Ia - I- 10 A). Figure 5 is an end view of the four conductors forming a square (cach side equals 20 cm). The direction of the current is into the page at A and B (indicated by the croSses), and out of the page at C and D (shown as dots). What is the direction and magnitude of the total magnetic field B at P, which is the center of the square? A B I, 20 em •P с 20 ст FIC. 5: Probleт 4.
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![**Problem 4**
Four very long, parallel conductors carry equal electric currents \((I_1 = I_2 = I_3 = I_4 = 10 \, \text{A})\). Figure 5 is an end view of the four conductors forming a square (each side equals 20 cm). The direction of the current is into the page at \(A\) and \(B\) (indicated by the crosses), and out of the page at \(C\) and \(D\) (shown as dots). What is the direction and magnitude of the total magnetic field \(B\) at \(P\), which is the center of the square?
**FIG. 5: Problem 4.**
[Diagram description]
The diagram shows a square with points labeled \(A\), \(B\), \(C\), and \(D\) at each corner. Conductors at \(A\) and \(B\) have currents directed into the page, while conductors at \(C\) and \(D\) have currents directed out of the page. The side length of the square is 20 cm. Point \(P\) is marked at the center of the square.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F75c047f6-cc5e-41a4-887f-332dd7656a89%2Fd4ec6664-93f2-4472-be0b-d711f351aa1f%2Ftzrr23_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem 4**
Four very long, parallel conductors carry equal electric currents \((I_1 = I_2 = I_3 = I_4 = 10 \, \text{A})\). Figure 5 is an end view of the four conductors forming a square (each side equals 20 cm). The direction of the current is into the page at \(A\) and \(B\) (indicated by the crosses), and out of the page at \(C\) and \(D\) (shown as dots). What is the direction and magnitude of the total magnetic field \(B\) at \(P\), which is the center of the square?
**FIG. 5: Problem 4.**
[Diagram description]
The diagram shows a square with points labeled \(A\), \(B\), \(C\), and \(D\) at each corner. Conductors at \(A\) and \(B\) have currents directed into the page, while conductors at \(C\) and \(D\) have currents directed out of the page. The side length of the square is 20 cm. Point \(P\) is marked at the center of the square.
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