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Measurement and Instrumentation

Measurement and Instrumentation
A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads

 (2 + √3/2)V.
 5 V.
 2 V.
 0 V.

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Measurement and Instrumentation
A multirange instrument has

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

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Measurement and Instrumentation
_______ instruments are those which measure the total quantity of the electricity delivered in a particular time.

Recording
Indicating
Absolute
Integrating

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Measurement and Instrumentation
What is the approximate input impedance of a CRO?

 0
 1 MΩ
 10 MΩ
 100 MΩ

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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
100V
50V
111V

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Measurement and Instrumentation
In a gravity controlled instrument, the deflection angle is proportional

Square of the measurand
Sine inverse of measurand
Sine of the measurand
Measurand

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