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MEASUREMENT AND INSTRUMENTATION

Measurement and Instrumentation
An instrument to be used for measurement and control should preferably have

Non-linear output
Dead zone and dead time
A highly damped response
Linear output and fast response

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Measurement and Instrumentation
Electrostatic instruments are normally used for

High voltage measurements
High current measurements
Low current measurements
Low voltage measurements

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Measurement and Instrumentation
The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used?

100 ohms
99.99 K ohms
100 K ohms
99.99 ohms

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Measurement and Instrumentation
A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is

90°
30°
120°
0°

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Measurement and Instrumentation
PMMC type instruments normally use

None of these
Eddy current damping
Fluid friction damping
Air friction damping

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