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| Q.87 | If the phase difference between two signals is 180°, then the Lissajous pattern will be_______. | |
| Ans | 1. a straight line with major axis in 2nd and 4th quadrants | |
| 2. a circle with major axis in 1st and 4th quadrants | ||
| 3. an ellipse with major axis in 1st and 4th quadrants | ||
| 4. an ellipse with major axis in 2nd and 3rd quadrants |
Correct Ans: 1
