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Measurement and Instrumentation

Measurement and Instrumentation
Which of the following are integrating instruments?

Voltmeters
Ammeters
Wattmeters
Ampere hour and watt hour meters

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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

 4.54 V.
 4.38 V.
 5 V.
 3.53 V.

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Measurement and Instrumentation
If an inductance is connected in one arm of the bridge and resistance is the remaining three arms

None of the listed here
The bridge can be balanced if the resistance have some specific values
The bridge cannot be balanced
The bridge can always be balanced

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Measurement and Instrumentation
A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error?

 5%
 3%
 4%
 2%

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Measurement and Instrumentation
The multiplier and the meter coil in a voltmeter are in

Series-parallel
Series
Parallel
None of the listed here

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Measurement and Instrumentation
The rectifier instrument is not free from

Temperature error
Frequency error
All of the listed here
Wave shape error

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