The two inputs of a CRO are fed with two stationary periodic signals. The figure 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.

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The two inputs of a CRO are fed with two stationary periodic signals. The figure 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.

1.The signals are not sinusoidal in nature

2.The amplitudes of the signals are very close but not equal

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

4.There is a constant but small phase difference between the signals

Posted Date:-2022-05-09 04:54:26

More MCQS Questions and answers

  1. A CRO can display ____
  2. A CRO can’t be used in transmission lines.
  3. An oscilloscope with 20 to 50 GHz needs a slow speed.
  4. CRO is used in a radar for ______
  5. Data acquisition system can be used in ______
  6. Data measurement systems are _______
  7. How is the data displayed?
  8. How is the waveform adjusted?
  9. How many types of acquisition methods are there in a digital storage oscilloscope?
  10. In a dual slop integrating type digital voltmeter, the firs integrating is carried out for 10 periods of the supply frequency of 50 Hz. If the reference voltage used is 2 V, the total conversion time for an input of 1 V is?
  11. In medical applications CRO can be used for ______
  12. In Real time sampling what is the 3 dB bandwidth?
  13. In Sequential repetitive sampling how many samples are captured?
  14. In which method of acquisition, pretrigger event is lost?
  15. Signal conditioner is used for _____
  16. The stored image can be displayed ______
  17. 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 both X channel and Y channel is the same, the screen will show?
  18. A CRO is used in check _____
  19. A CRO is used in labs for _____
  20. A CRO uses ______
  21. A data acquisition system provides _______
  22. A digital storage oscilloscope has _____
  23. A multiplexer is used for ______
  24. A recorder is a device ____
  25. A single trigger event can capture how many samples in Real time sampling?
  26. A typical data acquisition system consists of _____
  27. An oscilloscope indicates ________
  28. Analog computers have _______
  29. By making use of a CRO _____
  30. CRO is used for many purposes in the industry.
  31. CRO is used for measurement of _______
  32. CRO is voltage measuring device.
  33. Curve tracers use CRO in _____
  34. Data acquisition system is mainly classified into ______
  35. How is error in measurement reduced?
  36. How is frequency related to time period?
  37. In radio applications, CRO is used for measuring ____
  38. In Real time sampling, bandwidth is limited.
  39. Modern electronic instrumentation system is not complex.
  40. Multiplexers are used when the distance between source and destination is less.
  41. Output signal is captured using _____
  42. Period of a waveform is obtained by which of the following relation?
  43. Power requirement is _________
  44. Sensors produce frequency which is counted by ______
  45. The analog signal is digitized using _____
  46. The data acquisition system can have any speed.
  47. The data acquisition system implies input data collection ______
  48. The source of emission of electrons in a circuit is ________
  49. The two inputs of a CRO are fed with two stationary periodic signals. The figure 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.
  50. Transducer is used to convert a _______
  51. Transducer produces a _______
  52. What is a data acquisition system?
  53. What plays an important role in Real time sampling?
  54. Which oscilloscope is used in a digital storage oscilloscope?
  55. 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?
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