4) For the circuit below, find ia using mesh analysis: + 75 V ww 20 10 A + ww 50 ww 1Ω 0.4/1

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**4) Problem Statement:**

For the circuit below, find \( i_a \) using mesh analysis:

**Circuit Description:**

- The circuit features the following elements:
  - A 75 V voltage source.
  - A 2 Ω resistor.
  - A 10 A current source.
  - A 1 Ω resistor.
  - A 5 Ω resistor, with voltage across it labeled as \( v_1 \).
  - A dependent current source on the right, with a value of \( 0.4 \times v_1 \).

- The loop current of interest is labeled \( i_a \), flowing in a counter-clockwise direction through the leftmost loop.

**Diagram Explanation:**

The circuit diagram consists of two loops:

1. **Left Loop:**
   - Contains the 75 V voltage source, 2 Ω resistor, and the 5 Ω resistor.
   - The loop current \( i_a \) is indicated in this loop.

2. **Right Loop:**
   - Contains the 10 A current source, the 1 Ω resistor, and the dependent current source, which is determined by the voltage \( v_1 \) across the 5 Ω resistor.

The goal is to use mesh analysis to determine the value of \( i_a \).
Transcribed Image Text:**4) Problem Statement:** For the circuit below, find \( i_a \) using mesh analysis: **Circuit Description:** - The circuit features the following elements: - A 75 V voltage source. - A 2 Ω resistor. - A 10 A current source. - A 1 Ω resistor. - A 5 Ω resistor, with voltage across it labeled as \( v_1 \). - A dependent current source on the right, with a value of \( 0.4 \times v_1 \). - The loop current of interest is labeled \( i_a \), flowing in a counter-clockwise direction through the leftmost loop. **Diagram Explanation:** The circuit diagram consists of two loops: 1. **Left Loop:** - Contains the 75 V voltage source, 2 Ω resistor, and the 5 Ω resistor. - The loop current \( i_a \) is indicated in this loop. 2. **Right Loop:** - Contains the 10 A current source, the 1 Ω resistor, and the dependent current source, which is determined by the voltage \( v_1 \) across the 5 Ω resistor. The goal is to use mesh analysis to determine the value of \( i_a \).
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