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Measurement and Instrumentation

Measurement and Instrumentation
To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to

 ± 2.5%
 ± 1.5%
 ± 7.5 %
 ± 20%

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Measurement and Instrumentation
Systematic errors are

 observational errors.
All of these
 environmental errors.
 instrument errors.

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Measurement and Instrumentation
_______ instruments are those which measure the total quantity of the electricity delivered in a particular time.

Recording
Indicating
Integrating
Absolute

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Measurement and Instrumentation
Following is a 16-bit register for 8085 microprocessor

 Stack pointer
 Register C
 Accumulator
 Register B

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Measurement and Instrumentation
The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be

 1.5%
 0.5%
 1%
 1.2%

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Measurement and Instrumentation
A voltmeter using thermocouple measures

  rms value.
 Average value.
 Peak value.
 Peak to peak value.

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MORE MCQ ON Measurement and Instrumentation

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