In the figure, point P1 is at distance R = 14.5 cm on the perpendicular bisector of a straight wire of length L 19.1 cm carrying current i = 79.4 mA. (Note that the wire is not long.) What is the magnitude of the magnetic field at P1 due to i? L. Number Units

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Chapter1: Units, Trigonometry. And Vectors
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**Magnetic Field Calculation**

In the figure, point \( P_1 \) is located at a distance \( R = 14.5 \) cm on the perpendicular bisector of a straight wire. The wire has a length \( L = 19.1 \) cm and carries a current \( i = 79.4 \) mA. (Note: The wire is not considered long.) We are tasked with determining the magnitude of the magnetic field at point \( P_1 \) due to the current \( i \).

**Diagram Explanation:**

- A straight horizontal wire is depicted with a current \( i \) flowing to the right.
- Two points, \( P_1 \) and \( P_2 \), are marked on the perpendicular bisector of the wire.
- Both points \( P_1 \) and \( P_2 \) are equidistant from the wire at a distance \( R = 14.5 \) cm.
- The total length of the wire is given as \( L = 19.1 \) cm.

**Inputs Required:**

- The answer box requires a numerical value for the magnetic field calculation.
- Units are selectable from a dropdown list.

**Note:**

Please ensure the correct number of significant digits in your calculation. The acceptable tolerance for this exercise is ±2%.
Transcribed Image Text:**Magnetic Field Calculation** In the figure, point \( P_1 \) is located at a distance \( R = 14.5 \) cm on the perpendicular bisector of a straight wire. The wire has a length \( L = 19.1 \) cm and carries a current \( i = 79.4 \) mA. (Note: The wire is not considered long.) We are tasked with determining the magnitude of the magnetic field at point \( P_1 \) due to the current \( i \). **Diagram Explanation:** - A straight horizontal wire is depicted with a current \( i \) flowing to the right. - Two points, \( P_1 \) and \( P_2 \), are marked on the perpendicular bisector of the wire. - Both points \( P_1 \) and \( P_2 \) are equidistant from the wire at a distance \( R = 14.5 \) cm. - The total length of the wire is given as \( L = 19.1 \) cm. **Inputs Required:** - The answer box requires a numerical value for the magnetic field calculation. - Units are selectable from a dropdown list. **Note:** Please ensure the correct number of significant digits in your calculation. The acceptable tolerance for this exercise is ±2%.
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