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Q#1 CRO GATE EE 2002 MCQ +1 mark -0.33 marks

Two in-phase 50 Hz sinusoidal waveform of unit amplitude are fed into channel 1 and channel 2 respectively of an oscilloscope. Assuming that the voltage scale, time scale and other settings are exactly the same for both the channels, what would be observed if the oscilloscope is operated in X-Y mode?

A circle of unit radius

An ellipse

A parabola

A straight line inclined at 45° with respect to the x-axis

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