In the electrical network shown below, what is the magnitude of current \(I \text{?}\)

| 1. | \(4\) A | 2. | \(3\) A |
| 3. | \(2\) A | 4. | \(1\) A |
| 1. | \(3~\text{A}\) | 2. | \(5~\text{A}\) |
| 3. | \(4~\text{A}\) | 4. | \(2~\text{A}\) |
| 1. | \(28\) V | 2. | \(42\) V |
| 3. | \(-32\) V | 4. | \(36\) V |