Name Given a frequency of w = 100- rad find the equivalent impedance (Zeg) in Circuit 3. 20 Ω Zeg o 40 Ω U 07 20'n

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**Educational Content: Determining Equivalent Impedance in a Circuit**

**Problem Statement:**
Given a frequency of \(\omega = 100 \, \text{rad/s}\), find the equivalent impedance (\(Z_{eq}\)) in Circuit 3.

**Circuit Description:**
Circuit 3 consists of a combination of resistors and capacitors. The circuit elements are arranged as follows:

1. **Resistors:**
   - Three resistors each with a resistance of \(20 \, \Omega\).
   - One resistor with a resistance of \(40 \, \Omega\).

2. **Capacitors:**
   - One capacitor with a capacitance of \(10 \, \text{mF}\).
   - One capacitor with a capacitance of \(5 \, \text{mF}\).

**Circuit Layout:**
- The three \(20 \, \Omega\) resistors are connected in a combination of series and parallel configurations.
- The \(40 \, \Omega\) resistor is connected in parallel with the \(5 \, \text{mF}\) capacitor.
- The \(10 \, \text{mF}\) capacitor is connected in series with the parallel combination mentioned above.

**Objective:**
Determine the equivalent impedance (\(Z_{eq}\)) of the entire circuit, taking into account the given frequency, \(\omega\).

**Steps to Solve:**
1. Calculate the impedance of each capacitor using the formula: 
   \[ Z_C = \frac{1}{j\omega C} \]
2. Compute the total impedance of the parallel and series combinations of the resistors and capacitors.
3. Combine these impedances to find the overall equivalent impedance (\(Z_{eq}\)).

This exercise provides practice in analyzing circuits with both resistive and capacitive components, enhancing understanding of impedance in AC circuits.
Transcribed Image Text:**Educational Content: Determining Equivalent Impedance in a Circuit** **Problem Statement:** Given a frequency of \(\omega = 100 \, \text{rad/s}\), find the equivalent impedance (\(Z_{eq}\)) in Circuit 3. **Circuit Description:** Circuit 3 consists of a combination of resistors and capacitors. The circuit elements are arranged as follows: 1. **Resistors:** - Three resistors each with a resistance of \(20 \, \Omega\). - One resistor with a resistance of \(40 \, \Omega\). 2. **Capacitors:** - One capacitor with a capacitance of \(10 \, \text{mF}\). - One capacitor with a capacitance of \(5 \, \text{mF}\). **Circuit Layout:** - The three \(20 \, \Omega\) resistors are connected in a combination of series and parallel configurations. - The \(40 \, \Omega\) resistor is connected in parallel with the \(5 \, \text{mF}\) capacitor. - The \(10 \, \text{mF}\) capacitor is connected in series with the parallel combination mentioned above. **Objective:** Determine the equivalent impedance (\(Z_{eq}\)) of the entire circuit, taking into account the given frequency, \(\omega\). **Steps to Solve:** 1. Calculate the impedance of each capacitor using the formula: \[ Z_C = \frac{1}{j\omega C} \] 2. Compute the total impedance of the parallel and series combinations of the resistors and capacitors. 3. Combine these impedances to find the overall equivalent impedance (\(Z_{eq}\)). This exercise provides practice in analyzing circuits with both resistive and capacitive components, enhancing understanding of impedance in AC circuits.
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