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Measurement and Instrumentation

Measurement and Instrumentation
An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read

  10√3.
 20√3.
 20.
 10.

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Measurement and Instrumentation
The watt hour meter is ______ instrument.

A recording
An integrating
A transfer
An indicating

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Measurement and Instrumentation
A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads

 (2 + √3/2)V.
 0 V.
 5 V.
 2 V.

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Measurement and Instrumentation
An oscilloscope indicates

RMS value
DC value of voltage
Average value
Peak to peak value of voltage

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Measurement and Instrumentation
A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is

 270 bar.
 260 bar.
 10 bar.
  250 bar.

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Measurement and Instrumentation
Moving iron instruments have _____ scale.

Log
None of the listed here
Squared
Uniform

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