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Measurement and Instrumentation

Measurement and Instrumentation
The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is

 ± 6%
 ± 2.8%
 ± 4%
 ± 3%

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Measurement and Instrumentation
Dynamic errors are caused by

 human error
 environmental error
 instrument not responding fast
 observational error

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Measurement and Instrumentation
The best type of meter moment is ______ moment.

Iron- vane
Dynamometer
None of the listed here
D'Arsonval

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Measurement and Instrumentation
Which amplifier in used in an electronic amplifier?

 Butter amplifer.
 Wideband amplifier.
 Power amplifier.
 Differential amplifier.

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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

None of the listed here
Deflecting
Controlling
Damping

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Measurement and Instrumentation
In a CRO which of following is not a part of electron gun?

  X-Y plates
 Accelerating anode
 Cathode
 Grid

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