Find the net electric flux through the blue surface (see figure). (q1 = +1.82 nC, q2 = +1.04 nC, and q3 = -3.15 nC.)

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**Net Electric Flux Calculation**

To find the net electric flux through the blue surface, consider the following charge distributions:

- \( q_1 = +1.82 \, \text{nC} \) is outside the blue surface.
- Inside the blue surface:
  - \( q_2 = +1.04 \, \text{nC} \)
  - \( q_3 = -3.15 \, \text{nC} \)

**Diagram Explanation**

The visual representation includes three charges:

1. \( q_1 \) is depicted as a red point outside the blue spherical surface.
2. Within the blue sphere, two charges are present:
   - \( q_2 \), a red point indicating a positive charge.
   - \( q_3 \), a blue point indicating a negative charge.

**Flux Calculation**

According to Gauss's Law, the electric flux (\( \Phi \)) through a closed surface is given by:

\[
\Phi = \frac{{q_{\text{enclosed}}}}{\varepsilon_0}
\]

Where \( q_{\text{enclosed}} \) is the total charge enclosed by the surface, and \( \varepsilon_0 \) is the permittivity of free space.

Calculate \( q_{\text{enclosed}} \):

\[
q_{\text{enclosed}} = q_2 + q_3 = +1.04 \, \text{nC} - 3.15 \, \text{nC} = -2.11 \, \text{nC}
\]

Since \( q_1 \) is outside the blue surface, it does not contribute to \( q_{\text{enclosed}} \).

Substitute the value into Gauss's Law equation to find the net electric flux.
Transcribed Image Text:**Net Electric Flux Calculation** To find the net electric flux through the blue surface, consider the following charge distributions: - \( q_1 = +1.82 \, \text{nC} \) is outside the blue surface. - Inside the blue surface: - \( q_2 = +1.04 \, \text{nC} \) - \( q_3 = -3.15 \, \text{nC} \) **Diagram Explanation** The visual representation includes three charges: 1. \( q_1 \) is depicted as a red point outside the blue spherical surface. 2. Within the blue sphere, two charges are present: - \( q_2 \), a red point indicating a positive charge. - \( q_3 \), a blue point indicating a negative charge. **Flux Calculation** According to Gauss's Law, the electric flux (\( \Phi \)) through a closed surface is given by: \[ \Phi = \frac{{q_{\text{enclosed}}}}{\varepsilon_0} \] Where \( q_{\text{enclosed}} \) is the total charge enclosed by the surface, and \( \varepsilon_0 \) is the permittivity of free space. Calculate \( q_{\text{enclosed}} \): \[ q_{\text{enclosed}} = q_2 + q_3 = +1.04 \, \text{nC} - 3.15 \, \text{nC} = -2.11 \, \text{nC} \] Since \( q_1 \) is outside the blue surface, it does not contribute to \( q_{\text{enclosed}} \). Substitute the value into Gauss's Law equation to find the net electric flux.
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