Question: The power consumption of a dc voltmeter using a direct coupled amplifier when measuring a voltage of 0.5 volt and having an input impedance of 10 MΩ is
Answer:
MCQ: The power consumption of a dc voltmeter using a direct coupled amplifier when measuring a voltage of 0.5 volt and having an input impedance of 10 MΩ is
Correct Answer:
A. a few nanowatts
Discuss a Question
Related Questions
- 1. FETs are used in the amplifier to get
- 2. 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
- 3. 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:
- 4. Modern electronic multimeters measure resistance by
- 5. 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
- 6. Which of the following is not true for a digital frequency counter?
- 7. The resolution of a 12-bit analog to digital converter in per cent is
- 8. A DVM measures
- 9. 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:
- 10. Accuracy of DVM is specified as
You may be interested in:
Electrical and Electronics Measurements and Instrumentation MCQsRecently Added Articles
How Can AI Simplify the Academic Life of Students?
Last updated on: April 16, 2025Posted by: ExamRadar
Want to Clear IBPS RRB PO? Master These Mock Test Hacks!
Last updated on: March 10, 2025Posted by: ExamRadar
Top AI Tools for Instantly Detecting Plagiarized Writing
Last updated on: December 5, 2024Posted by: ExamRadar
Applying Algorithmic Trading Techniques to Forex: Insights for Programmers and Data Scientists
Last updated on: November 22, 2024Posted by: ExamRadar
Image to Text Conversion Made Easy: Online Tool Insights
Last updated on: April 12, 2024Posted by: ExamRadar
