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Measurement and Instrumentation

Measurement and Instrumentation
An oscilloscope indicates

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

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Measurement and Instrumentation
Which of the following devices should be used for accurate measurement of low D.C. voltage?

Small range moving coil voltmeter
C. potentiometer
None of these
Small range thermocouple voltmeter

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Measurement and Instrumentation
Relative error is same as

 ratio of absolute error and true value.
 true error.
 absolute error.
None of these

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Measurement and Instrumentation
Standard resistor ia made from

Nichrome
Silver
Manganin
Platinum

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Measurement and Instrumentation
To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows

 an ellipse.
 a straight line.
 sinisoidal.
  a circle.

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Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Modified De santy's bridge
Any of the listed here
Wein bridge
Schering bridge

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MORE MCQ ON Measurement and Instrumentation

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