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Measurement and Instrumentation

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

 0.01V
 0.25V
 0.05V
 0.01V

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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

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

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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

 12.6 V.
 11.1 V.
 15 V.
  10.6 V.

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Measurement and Instrumentation
A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is

 50 V.
 200 V.
 25 V.
 100 V.

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Measurement and Instrumentation
Standard resistor ia made from

Nichrome
Platinum
Manganin
Silver

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Measurement and Instrumentation
An oscilloscope indicates

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

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