Question

CRO is in X-Y mode.Sinusoidal inputs have 90degrees phase difference between them. What will appear on the display​

Answer 1

Answer:

circle

Explanation:

In Lissajous pattern

0 or 360 degrees ----- line

30 or 330 degree ----- right ellipse

60 or 360 degree ----- right oval

90 or 270 degree ----- circle

120 or 240 degree ---- left ellipse

150 or 210 degree ----- left oval

180 degree ---------------- line

Answer 2

Answer:

The two equal voltage of same frequency at 90 degrees, would produce a circle on the screen.

Explanation:

In CRO, WE measure the phase difference by X-Y mode operation.

zero or 360 degrees ----- line

30 or 330 degree ----- proper ellipse

60 or 360 degree ----- proper oval

ninety or 270 degree ----- circle

one hundred twenty or 240 degree ---- left ellipse

a hundred and eighty degree ---------------- line

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