X and Y plates of a CRO are connected to unequal voltages of equal frequency wit

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?

Options:

A . Circle

B . Straight line

C . Ellipse

D . Figure of eight

Answer: Option C
Answer: (c).Ellipse

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Question 1. An oscilloscope indicates ___________....

Question 2. The two inputs of a CRO are fed with two stationary periodic signals. The figure changes from ellipse to circle and back....and repeatedly. The following inference can be made from this.

Question 3. A CRO uses _________....

Question 4. To the Y input of a CRO, we feed a signal defined by 10sin100t, to the X-input, we feed signal 10cos100t. The gain for b....and Y channel is the same, the screen will show?

Question 5. A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the volta....as shown in the figure. The measured voltage will be?

Question 6. What provides a periodic voltage waveform?....

Question 7. Vertical deflection is given by ________....

Question 8. Visible spot must be moved in _______....

Question 9. Horizontal deflection is given by ________....

Question 10. Spot is displayed only when _______....

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