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ECE · Q81

Measurement And Instrumentation

Engineering and GATE · ECE · question 81

Q81

Lissajous pattern shown in double-beam cathode-ray oscilloscope screen for two sinusoidal voltages of equal magnitude and of the same frequency but of phase shift of 30° electrical is

A.
a circle
B.
a straight at 45° in the first and third quadrant
C.
an ellipse in the first and third quadrant
Answer
D.
an ellipse in the second and fourth quadrant

Answer: Option C

Solution

Answer: Option C
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