Measurement and Instrumentation Electrostatic instruments are used as Wattmeter only Voltmeters only Both ammeter and voltmeter Ammeters only Wattmeter only Voltmeters only Both ammeter and voltmeter Ammeters only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be 100 mA. 10 mA. 0.5 mA. 1mA. 100 mA. 10 mA. 0.5 mA. 1mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is a thermal instrument. a dynamometer instrument. a moving coil instrument. an electrostatic instrument. a thermal instrument. a dynamometer instrument. a moving coil instrument. an electrostatic instrument. ANSWER DOWNLOAD EXAMIANS APP
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 3.33 %. 1 %. 2.66 %. 2 %. 3.33 %. 1 %. 2.66 %. 2 %. ANSWER DOWNLOAD EXAMIANS APP
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% 1% 3% 2% 4% 1% 3% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range thermocouple voltmeter C. potentiometer Small range moving coil voltmeter None of these Small range thermocouple voltmeter C. potentiometer Small range moving coil voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
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