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Measurement and Instrumentation

Measurement and Instrumentation
A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read

0 A
2.5 A
None of the listed here
5 A

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Measurement and Instrumentation
The use of __________________ instruments is merely confined within laboratories as standardizing instrument.

  absolute.
 recording.
 indicating.
 integrating.

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Measurement and Instrumentation
The thermocouple instruments do not have

High degree of measuring accuracy
High sensitivity
Absence of frequency error
Independence of ambient temperature

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Measurement and Instrumentation
A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is

0.023mA
0.007mA
0.05mA
0.1mA

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Measurement and Instrumentation
The rectifier instrument is not free from

Frequency error
Wave shape error
All of the listed here
Temperature error

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Measurement and Instrumentation
Unit of deflection sensitivity of a CRO is

 mm / V.
 mm per mV.
 V / mm.
 meter / volt.

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