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UPPCL AE :Electrical & Electronic Measurements Quiz 5

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Question 1

Consider a

DVM. The full range of DVM is 100 volts. What is the maximum possible value in volts read by DVM.

Question 2

Accuracy of DVM is specified as

Question 3

Match List-i (type of Digital Voltmeter) with List-ii (Its construction features) and select the correct answer using the code given below the lists:
List-i
A) Basic ramp type DVM
B) Staircase-ramp type DVM
C) Integrating type DVM
D) Continuous balance type DVM
List-ii
1) Uses D/A converter
2) True average value of input voltage using voltage frequency converter
3) Servo-driven potentiometer is commonly used
4) Does not use D/A converter

Question 4

A 4-digit DVM (digital voltmeter) with a 100 mV lowest full-scale range would have a sensitivity of how much value while resolution of this DVM is 0.0001?

Question 5

DVM is the abbreviation for which of the following?

Question 6

Which of the following statements are correct?

1) Sensitivity of a DVM is a function of number of full digits.

2) There will be no change in count range of a DVM by attaching a ½ digit.

3) Voltage range of operation of a DVM gets doubled by attaching a ½ digit.

Question 7

For 0 to 19999 counts DVM, minimum voltage measured by DVM (in mV) in 200 V range is:

Question 8

An 8-bit successive approximation DVM of 5 V range is used to measure 1.2 V. The contents of the SAR after 5 clock pulses is

Question 9

Regarding ramp type DVM, consider the following statements:

1) Effect of noise is high

2) Low accuracy

3) Poor stability

Which of the above statements is/are correct?

Question 10

Which of the statement is true for dual slope integrating type DVM ?

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