12.0 cm X 1₁ = 9.0A I₂ = 12.0A Two long, straight, parallel wires, 12.0 cm apart, carry currents in the opposite directions as shown in the figure. Find the magnitude and direction of the magnetic field midway between the wires. 0.5 x 10-5 T, upward 0.5 x 10-5 T, downward 3.5 x 10-5 T, upward 3.5 x 10-5 T, downward 7.0 x 10-5 T, upward 7.0 x 10-5 T, downward 1.0 x 10-5 T, upward 1.0 x 10-5 T, downward 1.2 x 10-5 T, upward 1.2 x 10-5 T, downward 8.4 x 10-5 T, upward 8.4 x 10-5 T, downward 3.0 x 10-5 T, upward 3.0 x 10-5 T, downward

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### Magnetic Field Between Parallel Wires

**Figure Description:**  
The diagram illustrates two long, straight, and parallel wires that are 12.0 cm apart. 

- Wire \( I_1 \) carries a current of 9.0 A directed into the page, represented by an "X".
- Wire \( I_2 \) carries a current of 12.0 A directed out of the page, represented by a dot.

**Problem Statement:**  
Find the magnitude and direction of the magnetic field at a point midway between the wires.

**Choices:**

1. \( 0.5 \times 10^{-5} \, \text{T, upward} \)
2. \( 0.5 \times 10^{-5} \, \text{T, downward} \)
3. \( 3.5 \times 10^{-5} \, \text{T, upward} \)
4. \( 3.5 \times 10^{-5} \, \text{T, downward} \)
5. \( 7.0 \times 10^{-5} \, \text{T, upward} \)
6. \( 7.0 \times 10^{-5} \, \text{T, downward} \)
7. \( 1.0 \times 10^{-5} \, \text{T, upward} \)
8. \( 1.0 \times 10^{-5} \, \text{T, downward} \)
9. \( 1.2 \times 10^{-5} \, \text{T, upward} \)
10. \( 1.2 \times 10^{-5} \, \text{T, downward} \)
11. \( 8.4 \times 10^{-5} \, \text{T, upward} \)
12. \( 8.4 \times 10^{-5} \, \text{T, downward} \)
13. \( 3.0 \times 10^{-5} \, \text{T, upward} \)
14. \( 3.0 \times 10^{-5} \, \text{T, downward} \)
15. \( 0 \)

**Note:**  
The direction is determined using the right-hand rule for magnetic fields around current-carrying wires.
Transcribed Image Text:### Magnetic Field Between Parallel Wires **Figure Description:** The diagram illustrates two long, straight, and parallel wires that are 12.0 cm apart. - Wire \( I_1 \) carries a current of 9.0 A directed into the page, represented by an "X". - Wire \( I_2 \) carries a current of 12.0 A directed out of the page, represented by a dot. **Problem Statement:** Find the magnitude and direction of the magnetic field at a point midway between the wires. **Choices:** 1. \( 0.5 \times 10^{-5} \, \text{T, upward} \) 2. \( 0.5 \times 10^{-5} \, \text{T, downward} \) 3. \( 3.5 \times 10^{-5} \, \text{T, upward} \) 4. \( 3.5 \times 10^{-5} \, \text{T, downward} \) 5. \( 7.0 \times 10^{-5} \, \text{T, upward} \) 6. \( 7.0 \times 10^{-5} \, \text{T, downward} \) 7. \( 1.0 \times 10^{-5} \, \text{T, upward} \) 8. \( 1.0 \times 10^{-5} \, \text{T, downward} \) 9. \( 1.2 \times 10^{-5} \, \text{T, upward} \) 10. \( 1.2 \times 10^{-5} \, \text{T, downward} \) 11. \( 8.4 \times 10^{-5} \, \text{T, upward} \) 12. \( 8.4 \times 10^{-5} \, \text{T, downward} \) 13. \( 3.0 \times 10^{-5} \, \text{T, upward} \) 14. \( 3.0 \times 10^{-5} \, \text{T, downward} \) 15. \( 0 \) **Note:** The direction is determined using the right-hand rule for magnetic fields around current-carrying wires.
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