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Measurement and Instrumentation

Measurement and Instrumentation
A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage

  2.66 %.
 2 %.
 3.33 %.
 1 %.

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

Moving iron voltmeter
Moving coil voltmeter
VTVM
CRO

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Measurement and Instrumentation
Dynamic errors are caused by

 instrument not responding fast
 observational error
 human error
 environmental error

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Measurement and Instrumentation
Alternating current is measured by

Permanent magnet type ammeter
Moving iron repulsion type voltmeter
Induction ammeter
Electrostatic ammeter

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Measurement and Instrumentation
Resistance of a VARISTOR varies with

 Current
 Temperature
 Both Voltage and Temperature
 Voltage

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Measurement and Instrumentation
The dynamometer principle can be used for

 voltmeter only.
 ammeter only.
 ammeter, voltmeter and wattmeter.
 wattmeter only.

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MORE MCQ ON Measurement and Instrumentation

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