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GATE-19: Electrical Measurement & Measuring Instrument Quiz-7
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Question 1
Which of the following is not a component of a digital voltmeter?
Question 2
Which of the following is true among the following when we consider PT (potential transformer)?
Question 3
Which of the following devices is used at the first stage of an electronic voltmeter?
Question 4
What is the maximum value that can be displayed by a digit digital voltmeter?
Question 5
A current transformer with a bar primary has 300 turns in its secondary winding. The resistance & reactance of secondary circuit are 1.5 Ω’s and 1Ω respectively including transformer winding. With a 5A current flowing in a secondary winding the magnetizing MMF is 100 Amps and the iron losses is 1.2 watts. Determine R
Question 6
For power measurements in high voltage circuits, wattmeter is connected through the instrument transformers. Which of the following connection is not correct?
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Jun 25ESE & GATE EE