The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a
figure which changes from ellipse to circle and back to ellipse with its major axis changing orientation slowly
and repeatedly. The following inference can be made from this. [GATE2009]

Question

The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a
figure which changes from ellipse to circle and back to ellipse with its major axis changing orientation slowly
and repeatedly. The following inference can be made from this. [GATE2009]

TuteeHUB · Accepted Answer

NA

TuteeHUB · Answer

The signals are not sinusoidal

TuteeHUB · Answer

The amplitudes of the signals are very close but not equal

TuteeHUB · Answer

The signals are sinusoidal with their frequencies very close but not equal

TuteeHUB · Answer

There is a constant but small phase difference between the signals

1.	The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a figure which changes from ellipse to circle and back to ellipse with its major axis changing orientation slowly and repeatedly. The following inference can be made from this. [GATE2009]
A.	The signals are not sinusoidal
B.	The amplitudes of the signals are very close but not equal
C.	The signals are sinusoidal with their frequencies very close but not equal
D.	There is a constant but small phase difference between the signals
Answer» E.

The two inputs of a CRO are fed with two stationary periodic signals. In the X-Y mode, the screen shows a figure which changes from ellipse to circle and back to ellipse with its major axis changing orientation slowly and repeatedly. The following inference can be made from this. [GATE2009]

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