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Measurement and Instrumentation

Measurement and Instrumentation
Which of the following meters has a linear scale?

Moving coil meter
Thermocouple meter
Moving iron meter
Hot wore meter

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Measurement and Instrumentation
Dynamic errors are caused by

 observational error
 environmental error
 instrument not responding fast
 human error

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Measurement and Instrumentation
______ movement is most expensive.

None of the listed here
Dynamometer
Moving iron
D'Arsonval movement

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Measurement and Instrumentation
Wagner earthing device is used to eliminate errors due to

None of these
Both A and B
Electrostatic coupling
Electromagnetic coupling

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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

 11.1 V.
  10.6 V.
 12.6 V.
 15 V.

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Measurement and Instrumentation
A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be

 3.53 V.
 4.38 V.
 5 V.
 4.54 V.

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