Question: 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
Answer:
MCQ: 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
Correct Answer:
A. It does not allow any current to flow through the meter during negative half cycle
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Related Questions
- 1. The PMMC meter used in rectifier type voltmeters are provided with shunts even at the expense of lowering sensitivity. Why?
- 2. Why are multimeters provided with separate scale for low a.c voltages?
- 3. Which meter has the highest accuracy in the prescribed limit of frequency range:
- 4. Which instrument is the cheapest disregarding the accuracy
- 5. Which instrument has the highest frequency range with accuracy within reasonable limits
- 6. The advantages of instrument transformers are
- 7. The disadvantages of shunts for use at high currents are :
- 8. The disadvantages of using multipliers with voltmeters at high voltages are :
- 9. The nominal ratio of a current transformer is :
- 10. The transformation ratio in the case of a potential transformer us defined as ratio of :
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