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Measurement and Instrumentation

Measurement and Instrumentation
The use of thermocouple meters for AC measurement leads to scale which is

 expontial.
 linear.
 square law.
 logarithmic.

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Measurement and Instrumentation
An oscilloscope indicates

DC value of voltage
Average value
Peak to peak value of voltage
RMS value

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Measurement and Instrumentation
Kelvin’s double bridge is used to measure low resistance because

 it has high sensitivity.
 effect of contact and lead resistance is eliminated.
 there is no thermo electric emf.
 resistance variation due to temperature.

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Measurement and Instrumentation
Following is a 16-bit register for 8085 microprocessor

 Register B
 Stack pointer
 Register C
 Accumulator

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Measurement and Instrumentation
The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are

 perpendicular.
 inclined at 30o.
 inclined at 60o.
 parallel.

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Measurement and Instrumentation
To increase Q factor of a coil, the wire should be

 long and thin.
 long.
 thin.
 thick.

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MORE MCQ ON Measurement and Instrumentation

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