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Measurement and Instrumentation

Measurement and Instrumentation
The scale of a rectifier instrument is

Non-linear
Linear
None of the listed here
Either linear or non linear

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Measurement and Instrumentation
Magnetic deflection is inversely proportional to

 Voltage.
 (Voltage)-0.5.
 (Voltage)1.5.
 (Voltage)2.

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Measurement and Instrumentation
A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be

 400 Hz.
 250 Hz.
 625 Hz.
 500 Hz.

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Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

 X is more sensitive.
 It would not be possible to assess the sensitivity on the basis of the given data.
 Y is more sensitive.
 Both X and Y are equally sensitive.

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Measurement and Instrumentation
The errors introduced by an instrument fall in which category ?

 Systematic errors
 Environmental errors
 Random errors
 Gross errors

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Measurement and Instrumentation
If an inductance is connected in one arm of the bridge and resistance is the remaining three arms

None of the listed here
The bridge can be balanced if the resistance have some specific values
The bridge can always be balanced
The bridge cannot be balanced

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