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Measurement and Instrumentation

Measurement and Instrumentation
The scale of a rectifier instrument is

Linear
Non-linear
None of the listed here
Either linear or non linear

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Measurement and Instrumentation
Symmetric errors are

Observational errors
All of the listed here
Instrument errors
Environment errors

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Measurement and Instrumentation
When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is

 20.
 25.4.
 31.4.
 54.2.

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Measurement and Instrumentation
Which of the following are integrating instruments?

Voltmeters
Ammeters
Ampere hour and watt hour meters
Wattmeters

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

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

90V
50V
100V
111V

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