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Measurement and Instrumentation

Measurement and Instrumentation
In flux meter, the controlling torque is produced by

 weight attached to the moving coil.
 not provided at all.
 spring.
 crossed coil mechanism.

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Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

 It would not be possible to assess the sensitivity on the basis of the given data.
 Y is more sensitive.
 Both X and Y are equally sensitive.
 X is more sensitive.

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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

 15 V.
  10.6 V.
 12.6 V.
 11.1 V.

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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
A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is

 0.25V
 0.01V
 0.05V
 0.01V

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Measurement and Instrumentation
In a dynamometer wattmeter, the moving coil is the

Current coil and potential coil
Potential coil
Current coil
None of the listed here

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MORE MCQ ON Measurement and Instrumentation

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