Physics · Measurement and Instrumentation
Two channels of a Cathode Ray Oscilloscope (CRO) are fed with two periodic signals. In the X-Y mode, a Lissajous pattern forming an ellipse with its major axis aligned along the Y-axis is observed. Which of the following inferences can be correctly made?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The two signals have the same amplitude but different frequencies.
- 2The two signals have the same frequency and phase but different amplitudes.
- 3The two signals have the same frequency and amplitude but different phases.
- 4The two signals have the same frequency but different phases and amplitudes.✓
Correct answer
The two signals have the same frequency but different phases and amplitudes.
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