Question

X and Y plates of a CRO are connected to unequal voltages of equal frequency with phase shift of 90°. The Lissajous figure on the screen will be?

a.

Circle

b.

Straight line

c.

Ellipse

d.

Figure of eight

Posted under Electrical Measurement and Instrumentation

Answer: (c).Ellipse

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Q. X and Y plates of a CRO are connected to unequal voltages of equal frequency with phase shift of 90°. The Lissajous figure on the screen will be?
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