8. Pull the required charges to obtain the arrangements shown below (one at the time). Use the superposition principle and: a. Draw the net electric field at the position of the E-field sensor. b. Write an expression for the net electric field at the position of the E-field sensor (show all your work). c. Find the magnitude and direction of the net electric field at the position of the E-field sensor (click on "show numbers" and verify your answers Note all charges are fixed at the grid, and 1 box = 0.1 m. Lab I: Charges & Fields ㅇ

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### Lab I: Charges & Fields

**Instructions:**

1. **Pull the required charges** to obtain the arrangements shown below (one at a time). Use the superposition principle and:

   a. **Draw the net electric field** at the position of the E-field sensor.

   b. **Write an expression** for the net electric field at the position of the E-field sensor (show all your work).

   c. **Find the magnitude and direction** of the net electric field at the position of the E-field sensor (click on "show numbers" and verify your answers). Note all charges are fixed at the grid, and 1 box = 0.1 m.

---

**Diagrams Explanation:**

1. **First Arrangement:**
   - The diagram features a grid of yellow squares.
   - There is a negative charge denoted by a blue circle with a minus sign.
   - There is a positive charge denoted by a red circle with a plus sign.
   - An E-field sensor is located at the top, represented by a white circle.

2. **Second Arrangement:**
   - Similar grid setup with yellow squares.
   - The negative charge (blue) and positive charge (red) are positioned with a white circle (E-field sensor) in the middle.

3. **Third Arrangement:**
   - The same grid setup.
   - Negative charge on the left, positive charge on the right.
   - E-field sensor is placed at the bottom, indicated by the white circle.

**Note:** Each arrangement is designed to help understand how electric fields are influenced by charges. Calculations should consider both magnitude and direction for accuracy.
Transcribed Image Text:### Lab I: Charges & Fields **Instructions:** 1. **Pull the required charges** to obtain the arrangements shown below (one at a time). Use the superposition principle and: a. **Draw the net electric field** at the position of the E-field sensor. b. **Write an expression** for the net electric field at the position of the E-field sensor (show all your work). c. **Find the magnitude and direction** of the net electric field at the position of the E-field sensor (click on "show numbers" and verify your answers). Note all charges are fixed at the grid, and 1 box = 0.1 m. --- **Diagrams Explanation:** 1. **First Arrangement:** - The diagram features a grid of yellow squares. - There is a negative charge denoted by a blue circle with a minus sign. - There is a positive charge denoted by a red circle with a plus sign. - An E-field sensor is located at the top, represented by a white circle. 2. **Second Arrangement:** - Similar grid setup with yellow squares. - The negative charge (blue) and positive charge (red) are positioned with a white circle (E-field sensor) in the middle. 3. **Third Arrangement:** - The same grid setup. - Negative charge on the left, positive charge on the right. - E-field sensor is placed at the bottom, indicated by the white circle. **Note:** Each arrangement is designed to help understand how electric fields are influenced by charges. Calculations should consider both magnitude and direction for accuracy.
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