A uniform charge density of 65 nC/m3 is distributed throughout a spherical volume (radius = 16.5 cm). Consider a cubical (3.1 cm along the edge) surface completely inside the sphere. Determine the electric flux through this surface. %3D

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### Problem Statement

A uniform charge density of 65 nC/m³ is distributed throughout a spherical volume with a radius of 16.5 cm. Consider a cubical surface (with an edge length of 3.1 cm) completely inside the sphere. Determine the electric flux through this surface.

**Instructions:** Round your answer to 2 decimal places.

### Explanation

**Diagram:**
The provided diagram illustrates a sphere with a radius of 16.5 cm. Inside this sphere, there is a smaller cube with an edge length of 3.1 cm. The cube is entirely contained within the spherical volume.

**Analysis:**

The task requires determining the electric flux through the surface of the cube using the information on charge density.

**Solution Steps:**

1. **Volume of the Cube:**

   - Volume of the cube, \( V_{\text{cube}} \) = \( a^3 \) where \( a \) is the edge length of the cube.
   - Given \( a = 3.1 \) cm (or 0.031 m for consistency in SI units).

   \[
   V_{\text{cube}} = (0.031)^3 = 2.9851 \times 10^{-5} \text{ m}^3
   \]

2. **Charge Enclosed in the Cube:**

   The charge density is uniform and given by \( \rho = 65 \text{ nC/m}^3 = 65 \times 10^{-9} \text{ C/m}^3 \).

   The total charge enclosed by the cube, \( Q_{\text{cube}} \):

   \[
   Q_{\text{cube}} = \rho \times V_{\text{cube}} = 65 \times 10^{-9} \times 2.9851 \times 10^{-5} \text{ C}
   \]

   \[
   Q_{\text{cube}} = 1.94 \times 10^{-12} \text{ C}
   \]

3. **Electric Flux through the Cube’s Surface:**

   The electric flux, \( \Phi \), through any closed surface enclosing a charge \( Q \) is given by Gauss's Law:

   \[
   \Phi = \frac{Q_{\text{cube}}}{\epsilon_0}
   \]

   where \( \epsilon_0 = 8.
Transcribed Image Text:### Problem Statement A uniform charge density of 65 nC/m³ is distributed throughout a spherical volume with a radius of 16.5 cm. Consider a cubical surface (with an edge length of 3.1 cm) completely inside the sphere. Determine the electric flux through this surface. **Instructions:** Round your answer to 2 decimal places. ### Explanation **Diagram:** The provided diagram illustrates a sphere with a radius of 16.5 cm. Inside this sphere, there is a smaller cube with an edge length of 3.1 cm. The cube is entirely contained within the spherical volume. **Analysis:** The task requires determining the electric flux through the surface of the cube using the information on charge density. **Solution Steps:** 1. **Volume of the Cube:** - Volume of the cube, \( V_{\text{cube}} \) = \( a^3 \) where \( a \) is the edge length of the cube. - Given \( a = 3.1 \) cm (or 0.031 m for consistency in SI units). \[ V_{\text{cube}} = (0.031)^3 = 2.9851 \times 10^{-5} \text{ m}^3 \] 2. **Charge Enclosed in the Cube:** The charge density is uniform and given by \( \rho = 65 \text{ nC/m}^3 = 65 \times 10^{-9} \text{ C/m}^3 \). The total charge enclosed by the cube, \( Q_{\text{cube}} \): \[ Q_{\text{cube}} = \rho \times V_{\text{cube}} = 65 \times 10^{-9} \times 2.9851 \times 10^{-5} \text{ C} \] \[ Q_{\text{cube}} = 1.94 \times 10^{-12} \text{ C} \] 3. **Electric Flux through the Cube’s Surface:** The electric flux, \( \Phi \), through any closed surface enclosing a charge \( Q \) is given by Gauss's Law: \[ \Phi = \frac{Q_{\text{cube}}}{\epsilon_0} \] where \( \epsilon_0 = 8.
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