What is the line integral of B between points “i" and “f" in the figure below? A) 0.00 [Tm] 1.0 cm B) 1.26 × 10-6 [Tm] -Integration path C) 2.51 × 10-6 [Tm] D) 4.00 × 10-5 [Tm] E) None of above 2.0 A 6.0 cm

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### Magnetic Line Integral Problem

**Problem:**
What is the line integral of \(\vec{B}\) between points "i" and "f" in the figure below?

**Answer Choices:**
A) \(0.00 \ [\text{Tm}]\)  
B) \(1.26 \times 10^{-6} \ [\text{Tm}]\)  
C) \(2.51 \times 10^{-6} \ [\text{Tm}]\)  
D) \(4.00 \times 10^{-5} \ [\text{Tm}]\)  
E) None of the above  

**Diagram Description:**

- **Integration Path:** The integration path is depicted as a semicircular arc with radius 1.0 cm, curved around a vertical wire carrying a current of 2.0 A.
- **Points i and f:** These are the start and end points of the integration path, lying on the straight horizontal lines extending to the left and right of the semicircle respectively.
- **Distance:** The total straight-line distance between points i and f is 6.0 cm.
- **Current:** The wire positioned perpendicularly through the center of the semicircle carries a current of 2.0 A upward (indicated by the dot with a circle).
  
By using Ampère's law and calculating the line integral of the magnetic field \(\vec{B}\) around the path, we can determine the correct answer from the given choices.
Transcribed Image Text:### Magnetic Line Integral Problem **Problem:** What is the line integral of \(\vec{B}\) between points "i" and "f" in the figure below? **Answer Choices:** A) \(0.00 \ [\text{Tm}]\) B) \(1.26 \times 10^{-6} \ [\text{Tm}]\) C) \(2.51 \times 10^{-6} \ [\text{Tm}]\) D) \(4.00 \times 10^{-5} \ [\text{Tm}]\) E) None of the above **Diagram Description:** - **Integration Path:** The integration path is depicted as a semicircular arc with radius 1.0 cm, curved around a vertical wire carrying a current of 2.0 A. - **Points i and f:** These are the start and end points of the integration path, lying on the straight horizontal lines extending to the left and right of the semicircle respectively. - **Distance:** The total straight-line distance between points i and f is 6.0 cm. - **Current:** The wire positioned perpendicularly through the center of the semicircle carries a current of 2.0 A upward (indicated by the dot with a circle). By using Ampère's law and calculating the line integral of the magnetic field \(\vec{B}\) around the path, we can determine the correct answer from the given choices.
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