Electrical measurements MCQ Quiz Hub

Electrical Measurement MCQ Question Set 11

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1. Time domain oscilloscopes require _____




2. What is time base generator?




3. Linear sweep moves spot ________




4. Time base generator controls _______




5. Time dependent waveforms need x-axis for calibration.




6. Sweep generator works on the principle of _____




7. Left to right visibility of the spot is ensured by ______




8. Time base generator circuit resembles a _____




9. Sweep generator is a time base generator.




10. What is hold off time in a CRO?




11. What is the wait time in a CRO?




12. A trigger circuit is _________




13. Time base generator takes certain time to begin a new cycle.




14. After hold off time, the time base generator is activated immediately.




15. A time base should have ______




16. The horizontal amplifier in a CRO can be expanded by _______




17. Sweep rate is controlled by a _______




18. How many, time base generators are provided to a CRO?




19. TTL trigger mode is not used for any purpose.




20. CRO waveform is disturbed due to ________




21. Ringing effects can cause false triggering.




22. How can false triggering be prevented?




23. What is the significance of the TTL trigger mode?




24. TTL triggering gives a _______




25. Switched sweep mode is also known as ________




26. Why a dual slope oscilloscope is needed?




27. What is the problem with using more than one oscilloscopes?




28. Independent traces can be obtained using _________




29. Two methods are used to generate independent traces.




30. How many vertical inputs exist in a dual trace oscilloscope?




31. After pre-amplification the signals are fed into _______




32. X-Y mode means _______




33. Electronic switch is controlled by ________




34. Which technique of a Dual Trace Oscilloscope maintains the phase between the signals?




35. Electronic switch is used in a dual trace oscilloscope.




36. Signals are applied to ______




37. What adjusts the amplitudes of the signals A and B?




38. What is the role of a square wave generator?




39. How many switches work at a time?




40. Square wave generator doesn’t reproduce the signals on the screen.




41. A multitrace oscilloscope makes use of ______




42. A dual beam oscilloscope has _______




43. Two voltages can be studied simultaneously by making use of _________




44. A dual beam oscilloscope has _______




45. Sweep generator is triggered by _______




46. A sweep generator can be triggered by an external switch as well.




47. A dual beam oscilloscope has same sweep rates for different channels.




48. In a multi-beam oscilloscope ______




49. What is the main advantage of using a digital storage oscilloscope?




50. The memory of a digital storage oscilloscope is limited.