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1. |
In a two-channel oscilloscope operating in x-y mode, two in-phase 50 Hz sinusoidal waveforms of equal amplitude are fed to the two channels. What will be the resultant pattern on the screen? |
A. | An ellipse |
B. | A parabola |
C. | Straight line inclined at 45° with respect to x-axis |
D. | A circle |
Answer» D. A circle | |