Question: The voltage 10 cos ωt and V cos (ωt + α) are applied to the X and Y plates of a CRO. The Lissajous figure observed on the screen is a straight line of 60° to the positive axis. Then
Answer:
MCQ: The voltage 10 cos ωt and V cos (ωt + α) are applied to the X and Y plates of a CRO. The Lissajous figure observed on the screen is a straight line of 60° to the positive axis. Then
Correct Answer:
A. V = 10, α = 60°
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Related Questions
- 1. Sampling oscilloscopes are specially designed to measure
- 2. Which of the following statements is not correct for a storage-type oscilloscope?
- 3. In a digital oscilloscope, the A/D converters are usually
- 4. A double beam oscilloscope has
- 5. Two equal voltages of same frequency applied to the X and Y plates of a CRO, produce a circle on the screen. The phase difference between the two voltages is
- 6. The Lissajous pattern on a CRO screen is shown in the given figure: The frequency ratio of the vertical signal to the horizontal one is
- 7. Which one of the following oscillators is used for generation of high frequencies?
- 8. A triangular wave can be generated by
- 9. Harmonic distortion is due to
- 10. A spectrum analyser is a combination of
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