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Measurement and Instrumentation

Measurement and Instrumentation
Which meter is suitable for the measurement of 10mV at 50MHz?

CRO
Moving coil voltmeter
VTVM
Moving iron voltmeter

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Measurement and Instrumentation
Ampere is one of the

Supplementary units
Units used to measure charge
Derived units
Base units

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Measurement and Instrumentation
No eddy current and hysteresis losses occur in

Moving iron instruments
PMMC instruments
Electrostatic instruments
Electrodynamo meter instruments

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Measurement and Instrumentation
It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor?

100W
200W
50W
150W

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Measurement and Instrumentation
To measure ac as well as dc power, we use

Dynamometer wattmeter
None of the listed here
Induction wattmeter
Sometimes induction and sometimes dynamometer wattmeter

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Measurement and Instrumentation
A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be

 12.6 V.
 15 V.
 11.1 V.
  10.6 V.

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MORE MCQ ON Measurement and Instrumentation

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