An electric field has a uniform value (doesn't change with position) that can be described by the following equation: E = (Aĵ + B k) N/C where A and B are given by the values below. A = 1.35 B = 1.80 There is a flat circular surface that is in the x-y plane and centered at the origin point (0,0,0). This surface has a radius of 1.65 m. Calculate the magnitude of the electric flux through the surface due to the electric field described above. Your units should be Nm²/C.

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**Understanding Electric Flux Through a Circular Surface**

An electric field has a uniform value (doesn't change with position) that can be described by the following equation:

\[ \vec{E} = \left( A \hat{j} + B \hat{k} \right) \, \text{N/C} \]

where A and B are given by the values below.

- \( A = 1.35 \)
- \( B = 1.80 \)

There is a flat circular surface that is in the x-y plane and centered at the origin point (0,0,0). This surface has a radius of \( 1.65 \) m.

**Task:**
Calculate the magnitude of the electric flux through the surface due to the electric field described above. Your units should be \( \text{Nm}^2/\text{C} \).

**Notes:**
- The electric field vector \( \vec{E} \) is composed of the y-component (\( \hat{j} \)) with magnitude \( A = 1.35 \, \text{N/C} \) and the z-component (\( \hat{k} \)) with magnitude \( B = 1.80 \, \text{N/C} \).
- Since the surface is in the x-y plane, the vector normal to this surface (\( \vec{A} \)) points in the z-direction.

To understand the electric flux (\( \Phi_E \)) calculation, consider the following step:

1. The electric flux through a surface is given by the dot product of the electric field vector \( \vec{E} \) and the area vector \( \vec{A} \):
   
   \[\Phi_E = \vec{E} \cdot \vec{A}\]

2. For a circular surface with radius \( r = 1.65 \) m in the x-y plane, the area vector \( \vec{A} \) has a magnitude equal to the area of the circle and points in the positive z-direction (\( \hat{k} \)):

   \[
   A = \pi r^2 = \pi (1.65)^2 \approx 8.55 \, \text{m}^2
   \]

   Therefore, \( \vec{A} = 8.55 \hat{k} \, \text{m}^2
Transcribed Image Text:**Understanding Electric Flux Through a Circular Surface** An electric field has a uniform value (doesn't change with position) that can be described by the following equation: \[ \vec{E} = \left( A \hat{j} + B \hat{k} \right) \, \text{N/C} \] where A and B are given by the values below. - \( A = 1.35 \) - \( B = 1.80 \) There is a flat circular surface that is in the x-y plane and centered at the origin point (0,0,0). This surface has a radius of \( 1.65 \) m. **Task:** Calculate the magnitude of the electric flux through the surface due to the electric field described above. Your units should be \( \text{Nm}^2/\text{C} \). **Notes:** - The electric field vector \( \vec{E} \) is composed of the y-component (\( \hat{j} \)) with magnitude \( A = 1.35 \, \text{N/C} \) and the z-component (\( \hat{k} \)) with magnitude \( B = 1.80 \, \text{N/C} \). - Since the surface is in the x-y plane, the vector normal to this surface (\( \vec{A} \)) points in the z-direction. To understand the electric flux (\( \Phi_E \)) calculation, consider the following step: 1. The electric flux through a surface is given by the dot product of the electric field vector \( \vec{E} \) and the area vector \( \vec{A} \): \[\Phi_E = \vec{E} \cdot \vec{A}\] 2. For a circular surface with radius \( r = 1.65 \) m in the x-y plane, the area vector \( \vec{A} \) has a magnitude equal to the area of the circle and points in the positive z-direction (\( \hat{k} \)): \[ A = \pi r^2 = \pi (1.65)^2 \approx 8.55 \, \text{m}^2 \] Therefore, \( \vec{A} = 8.55 \hat{k} \, \text{m}^2
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