Question: A direct voltage is applied to a peak diode voltmeter whose scale is calibrated to read rms voltage of a sine wave. If the meter reading is 36 Vrms, the value of the applied direct voltage is
Answer:
MCQ: A direct voltage is applied to a peak diode voltmeter whose scale is calibrated to read rms voltage of a sine wave. If the meter reading is 36 Vrms, the value of the applied direct voltage is
Correct Answer:
A. 51 volts
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Related Questions
- 1. A multimeter is used for the measurement of the following: <ol> <li>Both ac and dc voltage</li> <li>Both ac and dc current</li> <li>Resistance</li> <li>Frequency</li> <li>Power</li> </ol> Select the correct answer using the codes given:
- 2. Modern electronic multimeters measure resistance by
- 3. An n-bit A/D converter is required to convert an analog input in the range of 0–5 volt to an accuracy of 10 mV. The value of n should be
- 4. Which of the following is not true for a digital frequency counter?
- 5. The resolution of a 12-bit analog to digital converter in per cent is
- 6. A DVM measures
- 7. 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:
- 8. Accuracy of DVM is specified as
- 9. The source of emission of electron in a CRT is :
- 10. In a CRT the focusing anode is located
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