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Measurement and Instrumentation

Measurement and Instrumentation
A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

 6.09 A.
 5 A.
 4.06 A.
 2.03 A.

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Measurement and Instrumentation
What is the name of physical quantities which are independent of each other?

 Numerical quantity
 Derived quantity
None of these
 Fundamental quantity

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Measurement and Instrumentation
The dynamometer principle can be used for

 voltmeter only.
 ammeter, voltmeter and wattmeter.
 wattmeter only.
 ammeter only.

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Measurement and Instrumentation
The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is

 3 mA.
 2 mA.
 1 mA.
 4 mA.

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Measurement and Instrumentation
The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement?

 0.01 ohm.
  0.03 ohm.
 15.36 ohm.
 10.26 ohm.

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Measurement and Instrumentation
A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be

  10.6 V.
 12.6 V.
 11.1 V.
 15 V.

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