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Measurement and Instrumentation

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 %.
 3.33 %.
  2.66 %.
 1 %.

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Measurement and Instrumentation
A mulliammeter can be used as

Voltmeter and ammeter
Ohmmeter
Wattmeter
Frequency meter

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Measurement and Instrumentation
Swamping resistance is used to compensate

 error due to temperature true variations.
 error due to strong magnetic field.
 both A and B.
 none of these.

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Measurement and Instrumentation
Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ?

 1.5µF
 0.9µF
 3.9µF
 2.4µF

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Measurement and Instrumentation
The repeat accuracy of an instrument can be judged from its

Standard deviation of error
Dynamic error
Static error
Linearity error

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Measurement and Instrumentation
Which one the following statements is correct? The application of the instrument in wrong manner in the procedure of measurement results in a/an

 instrument error
 systematic error
 gross error
 random error

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