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Measurement and Instrumentation

Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

Gravity
Eddy currents
Spring
All of the listed here

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Measurement and Instrumentation
If an inductance is connected in one arm of the bridge and resistance is the remaining three arms

The bridge can be balanced if the resistance have some specific values
The bridge cannot be balanced
The bridge can always be balanced
None of the listed here

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Measurement and Instrumentation
A voltmeter using thermocouple measures

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

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Measurement and Instrumentation
Which of following voltmeters would you use for measuring voltage across 20KΩ resistance

  Voltmeter having sensitivity of 10 KW/V.
 None of above.
 Voltmeter having a resistance of 5 ΩK.
 Voltmeter having sensitivity of 1 KW/V.

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Measurement and Instrumentation
The errors mainly caused by human mistakes are

  gross error.
 systematic error.
 instrumental error.
 observational error.

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Measurement and Instrumentation
The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ?

 ±3.5%
 ± 1.5%
 ± 1%
 ± 2.5%

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MORE MCQ ON Measurement and Instrumentation

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