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Measurement and Instrumentation

Measurement and Instrumentation
A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is

 1 V
 2 V
 1.5 V
 0.5 V

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Measurement and Instrumentation
A multirange instrument has

Variable turns of coil
Multiple shunt or series resistance inside the meter
Multicoil arrangement
Multirange meters inside the measurement system

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Measurement and Instrumentation
A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ?

 ± 0.054
 ± 0.065
 ± 0.045
 ± 0.056

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Measurement and Instrumentation
A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly

Controlling
Damping
None of the listed here
Deflecting

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Measurement and Instrumentation
Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are

400V and 200V
300V each
360V and 240V
One of the meters out of the range and other 100V

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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

None of the listed here
2.5 A
0 A
5 A

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