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Measurement and Instrumentation

Measurement and Instrumentation
To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to

 ± 20%
 ± 1.5%
 ± 2.5%
 ± 7.5 %

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Measurement and Instrumentation
In a ballistic galvanometer, the deflecting torque is proportional to

The current through coil
Square-root of current through coil
Sine of measured
Square of current through coil

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Measurement and Instrumentation
A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is

0.023mA
0.05mA
0.007mA
0.1mA

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Measurement and Instrumentation
Piezoelectric effect is carried out in

  constant k prototype.
  composite filter.
  m derived.
  crystal filter.

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Measurement and Instrumentation
A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge?

 First adjust R4 and then adjust R2.
 First adjust R2 and then adjust R4.
 First adjust R4 and then adjust R1.
 First adjust R2 and then adjust R3.

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

 ± 3%
 ± 6%
 ± 2.8%
 ± 4%

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MORE MCQ ON Measurement and Instrumentation

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