Electrical Engineering · Electrical Instruments
In a frequency measurement using Lissajous patterns, the pattern makes 3 vertical tangencies and 1 horizontal tangency. If the frequency of the signal applied to the horizontal deflection plates is 30 Hz, find the frequency of the signal applied to the vertical deflection plates.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 160 Hz
- 210 Hz
- 390 Hz✓
- 430 Hz
Correct answer
90 Hz
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