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Measurement and Instrumentation

Measurement and Instrumentation
A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error?

 3%
 4%
 2%
 5%

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Measurement and Instrumentation
A mulliammeter can be used as

Ohmmeter
Frequency meter
Wattmeter
Voltmeter and ammeter

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Measurement and Instrumentation
Ryall crest voltmeter is used for measurement of

AC voltage of any form
High DC voltage
Low frequency voltage
High AC voltage

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Measurement and Instrumentation
Resolution of an instrument is

 ability to distinguish polarity.
 the maximum quantity it can measure.
 the maximum non linearity.
 the minimum quantity it can measure.

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Measurement and Instrumentation
A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

  40 mA.
 80 mA.
 25 mA.
 50 mA.

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Measurement and Instrumentation
A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V?

 1%
 5%
 3.33%
 2%

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MORE MCQ ON Measurement and Instrumentation

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