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Measurement and Instrumentation

Measurement and Instrumentation
Moving iron instruments have _____ scale.

Uniform
None of the listed here
Log
Squared

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Measurement and Instrumentation
The thermocouple instrument will measure

Flux
None of these
Voltage
Current

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Measurement and Instrumentation
On a simple ohmmeter, the 0 Ω mark is _______ of the scale.

In the middle
Far right
Far left
None of the listed here

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Measurement and Instrumentation
The controlling torque of an indicating instrument ______ as the deflection of the moving system increases.

Remains same
Decreases
Increases
None of the listed here

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Measurement and Instrumentation
In a moving coil instrument, the deflecting torque is proportional to

Current
Squareroot of the current
Sine of the measurand
Square of the current

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Measurement and Instrumentation
The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is

 2%
 4%
 3%
 1%

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