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Measurement and Instrumentation

Measurement and Instrumentation
0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is

 4%
 2%
 1%
 3%

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Measurement and Instrumentation
Which of the following cannot be measured by multimeters?

Frequency
Voltage
Resistance
Current

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Measurement and Instrumentation
A moving iron ammeter may be compensated for frequency errors by

A shunt resistance
A series inductance
Shunt capacitance
Series resistance

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Measurement and Instrumentation
A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is

 1%
 2.5%
 2%
 1.5%

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Measurement and Instrumentation
A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads

111V
50V
90V
100V

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Measurement and Instrumentation
The high torque to weight ratio in an analog indicating instrument indicates

 none of these.
 high friction loss.
 low friction loss.
 nothing related to friction loss.

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