Two sinusoidal signals of equal amplitude and frequency are applied to – McqOptions

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1.	Two sinusoidal signals of equal amplitude and frequency are applied to X and Y plate of CRO respectively. The observed Lissajous pattern is a straight line. The phase shift between signals is
A.	zero
B.	90¬∞
C.	either zero or 180¬∞
D.	either 90¬∞ or 270¬∞
Answer» D. either 90¬∞ or 270¬∞

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