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Measurement and Instrumentation

Measurement and Instrumentation
The difference between the measured value and the true value is called

 absolute error
 relative error
 gross error
 probable error

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Measurement and Instrumentation
To measure the flux, devices used are based on

Photo-voltaic effect
Voltaic effect
Hall effect
Piezo-electric effect

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Measurement and Instrumentation
A 10MHz CRO has

5MHz sweep
10MHz vertical oscillator
10MHz horizontal oscillator
10MHz supply frequency

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Measurement and Instrumentation
The EMF of Weston standard cell is measured using

Digital Volt meter
Moving- iron meter
Potentiometer
Moving-coil meter

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Measurement and Instrumentation
Which of the following meter is most suitable for measuring radio frequency currents?

  Thermocouple meter.
 Moving - coil meter.
 VTVM.
 Moving - iron meter.

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Measurement and Instrumentation
Induction wattmeter can measure

Dc power only
None of the listed here
Ac power only
Both AC and DC

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MORE MCQ ON Measurement and Instrumentation

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