1. | \(120^\circ\) | 2. | \(30^\circ\) |
3. | \(60^\circ\) | 4. | \(90^\circ\) |
1. | both circuits (a) and (c) |
2. | circuit (a) only |
3. | circuit (b) only |
4. | circuit (c) only |
1. | \(1:\sqrt{2}\) | 2. | \(2:1\) |
3. | \(\sqrt{2}:1\) | 4. | \(4:1\) |
1. | 2. | ||
3. | 4. |