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Measurement and Instrumentation

Measurement and Instrumentation
A 10MHz CRO has

10MHz supply frequency
5MHz sweep
10MHz vertical oscillator
10MHz horizontal oscillator

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Measurement and Instrumentation
A moving iron ammeter may be compensated for frequency errors by

A series inductance
A shunt resistance
Shunt capacitance
Series resistance

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Measurement and Instrumentation
PMMC type instruments normally use

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

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Measurement and Instrumentation
Attraction and repulsion type instruments are the two different types of which instrument ?

  Moving iron type.
 Induction type.
 Dynamo-meter type.
 Multipliers.

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Measurement and Instrumentation
A PMMC instrument can be used as flux meter

By using a low resistance shunt
By making control springs of large moment of inertia
By eliminating the control springs
By using a high series resistance

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Measurement and Instrumentation
The error of an instrument is normally given as a percentage of

Measured value
Mean value
Rms value
Full-scale value

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MORE MCQ ON Measurement and Instrumentation

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