The drawing shows the electric potential as a function of dis- tance along the x axis. Determine the magnitude of the electric field in the region (a) A to B, (b) B to C, and (c) C to D. A B 5.0 4.0 C 3.0 2.0 1.0 D 0.40 0.80 x, m Potential, V 0.20 0.60

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**Electric Potential and Electric Field Analysis**

*Educational Objective: Understanding the Relationship between Electric Potential and Electric Field*

**Problem Statement:**
The drawing shows the electric potential as a function of distance along the x-axis. Determine the magnitude of the electric field in the regions (a) \(A\) to \(B\), (b) \(B\) to \(C\), and (c) \(C\) to \(D\).

**Graph Analysis:**

The graph presented illustrates the electric potential \( V \) (in volts) as a function of distance \( x \) (in meters) along the x-axis. The potential changes at specific points labeled \( A \), \( B \), \( C \), and \( D \).

- **Region \( A \) to \( B \):**
  - \( V_A = 5.0 \) V at \( x = 0.00 \) m
  - \( V_B = 5.0 \) V at \( x = 0.20 \) m
  - The potential remains constant, indicating that the electric field magnitude, \( E \), is zero in this region.

- **Region \( B \) to \( C \):**
  - \( V_B = 5.0 \) V at \( x = 0.20 \) m
  - \( V_C = 2.0 \) V at \( x = 0.40 \) m
  - The electric potential decreases linearly. The electric field can be calculated as the negative rate of change of potential with respect to distance:
    \[
    E = -\frac{\Delta V}{\Delta x} = -\frac{(2.0 - 5.0) \ \text{V}}{(0.40 - 0.20) \ \text{m}} = \frac{3.0 \ \text{V}}{0.20 \ \text{m}} = 15 \ \text{V/m}
    \]

- **Region \( C \) to \( D \):**
  - \( V_C = 2.0 \) V at \( x = 0.40 \) m
  - \( V_D = 0.0 \) V at \( x = 0.80 \) m
  - The electric potential decreases linearly. The electric field can be calculated similarly
Transcribed Image Text:**Electric Potential and Electric Field Analysis** *Educational Objective: Understanding the Relationship between Electric Potential and Electric Field* **Problem Statement:** The drawing shows the electric potential as a function of distance along the x-axis. Determine the magnitude of the electric field in the regions (a) \(A\) to \(B\), (b) \(B\) to \(C\), and (c) \(C\) to \(D\). **Graph Analysis:** The graph presented illustrates the electric potential \( V \) (in volts) as a function of distance \( x \) (in meters) along the x-axis. The potential changes at specific points labeled \( A \), \( B \), \( C \), and \( D \). - **Region \( A \) to \( B \):** - \( V_A = 5.0 \) V at \( x = 0.00 \) m - \( V_B = 5.0 \) V at \( x = 0.20 \) m - The potential remains constant, indicating that the electric field magnitude, \( E \), is zero in this region. - **Region \( B \) to \( C \):** - \( V_B = 5.0 \) V at \( x = 0.20 \) m - \( V_C = 2.0 \) V at \( x = 0.40 \) m - The electric potential decreases linearly. The electric field can be calculated as the negative rate of change of potential with respect to distance: \[ E = -\frac{\Delta V}{\Delta x} = -\frac{(2.0 - 5.0) \ \text{V}}{(0.40 - 0.20) \ \text{m}} = \frac{3.0 \ \text{V}}{0.20 \ \text{m}} = 15 \ \text{V/m} \] - **Region \( C \) to \( D \):** - \( V_C = 2.0 \) V at \( x = 0.40 \) m - \( V_D = 0.0 \) V at \( x = 0.80 \) m - The electric potential decreases linearly. The electric field can be calculated similarly
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