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Measurement and Instrumentation

Measurement and Instrumentation
A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads

111V
50V
100V
90V

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Measurement and Instrumentation
To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to

 ± 20%
 ± 2.5%
 ± 7.5 %
 ± 1.5%

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Measurement and Instrumentation
The thermocouple instrument will measure

None of these
Flux
Current
Voltage

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Measurement and Instrumentation
A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge?

 First adjust R2 and then adjust R4.
 First adjust R4 and then adjust R1.
 First adjust R4 and then adjust R2.
 First adjust R2 and then adjust R3.

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Measurement and Instrumentation
A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is

 2√2V.
 2V.
 Zero.
 √2V.

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Measurement and Instrumentation
For the AC bridge circuit shown in figure at balance the value of Rd will be

 (Rb/Rc).Ra.
 (Ra/Rc).Rb.
 (Rc/Ra).Rb.
 (Rc/Rb).Ra.

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