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Measurement and Instrumentation

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%
 2%
 3.33%

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Measurement and Instrumentation
Relative error is same as

 true error.
None of these
 absolute error.
 ratio of absolute error and true value.

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Measurement and Instrumentation
The scale of a rectifier instrument is

Either linear or non linear
Linear
None of the listed here
Non-linear

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Measurement and Instrumentation
The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used?

99.99 ohms
99.99 K ohms
100 K ohms
100 ohms

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Measurement and Instrumentation
A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage

 2 %.
 1 %.
 3.33 %.
  2.66 %.

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Measurement and Instrumentation
To measure ac as well as dc power, we use

Dynamometer wattmeter
None of the listed here
Sometimes induction and sometimes dynamometer wattmeter
Induction wattmeter

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MORE MCQ ON Measurement and Instrumentation

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