SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Electrical and Electronics Measurements Cathode Ray Oscilloscope
The X and Y plates of a cathode ray oscilloscope are provided with sinusoidal inputs of equal amplitude and frequency which are 90° out of phase. The resulting Lissajous pattern will be a:
1
circle
2
parabola
3
horizontal straight line
4
vertical straight line