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Lissajous Pattern-2

The two signa...

Question

The two signals $S_{1}$ and $S_{2}$ , shown in figure, are applied to Y and X deflection plates of an oscilloscope.

The waveform displayed on the screen is

A

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B

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C

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D

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Solution

The correct option is B
The waveform pattern appearing on the screen of CRO is shown below. Hence $S_{1}$ is applied to vertical deflecting plate and $S_{2}$ to horizontal deflecting plate.

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