Question: Which of the following measurements can be made with the help of a frequency counter? <ol> <li>Fundamental frequency of input signal</li> <li>Frequency components of the input signal at least up to third harmonics</li> <li>Time interval between two pulses</li> <li>Pulse width</li> </ol> Select the correct answer using the codes given below:
Answer:
MCQ: Which of the following measurements can be made with the help of a frequency counter? <ol> <li>Fundamental frequency of input signal</li> <li>Frequency components of the input signal at least up to third harmonics</li> <li>Time interval between two pulses</li> <li>Pulse width</li> </ol> Select the correct answer using the codes given below:
Correct Answer:
A. 2 and 4
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Related Questions
- 1. Accuracy of DVM is specified as
- 2. The source of emission of electron in a CRT is :
- 3. In a CRT the focusing anode is located
- 4. The deflection of an electron beam on a CTR screen is 10 mm. Suppose the pre-accelerating anode voltage is halved and the potential between deflecting plates is doubled, the deflection of the electron beam will be :
- 5. If the distance of screen from a CRT to centre of deflection plates is 15 cm, the length of deflection plates is 2 cm, the distance between plates is 1 cm and accelerating voltage is 500 V. the deflection sensitivity is :
- 6. Post acceleration is needed in a CRO if the frequency of the signal is :
- 7. P<sub>1 </sub>phosphor material is used for display in CRTs for:
- 8. An aquadag is used in a CRO to collect :
- 9. A thin aluminium film is usually deposited on the non viewing side of the phosphor because,
- 10. During the retrace time, the electrons forming the horizontal beam
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