Question: The sensitivity of a PMMC instrument is 10kΩ/V. if this instrument is used in the rectifier type voltmeter with the half wave rectification, what would be the sensitivity?
Answer:
MCQ: The sensitivity of a PMMC instrument is 10kΩ/V. if this instrument is used in the rectifier type voltmeter with the half wave rectification, what would be the sensitivity?
Correct Answer:
A. 10kΩ/V
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Related Questions
- 1. A PMMC meter rated at 50 µA is used in a rectifier type of instrument which uses full wave rectification. What is the sensitivity on sinusoidal a.c ?
- 2. A reversed biased diode in addition to a forward biased diode is used in rectifier type voltmeters using half wave rectification. The use of reverse biased diode is
- 3. The PMMC meter used in rectifier type voltmeters are provided with shunts even at the expense of lowering sensitivity. Why?
- 4. Why are multimeters provided with separate scale for low a.c voltages?
- 5. Which meter has the highest accuracy in the prescribed limit of frequency range:
- 6. Which instrument is the cheapest disregarding the accuracy
- 7. Which instrument has the highest frequency range with accuracy within reasonable limits
- 8. The advantages of instrument transformers are
- 9. The disadvantages of shunts for use at high currents are :
- 10. The disadvantages of using multipliers with voltmeters at high voltages are :
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