Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? None of these 32.56 W . 25.45 W. 28.12 W. None of these 32.56 W . 25.45 W. 28.12 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter None of these C. ammeter hour meter C. energy meter C. ammeter None of these C. ammeter hour meter C. energy meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power in R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Reactive power of R phase Active power in R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Reactive power of R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High DC voltage Low frequency voltage High AC voltage AC voltage of any form High DC voltage Low frequency voltage High AC voltage AC voltage of any form ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Derived units Base units Supplementary units Units used to measure charge Derived units Base units Supplementary units Units used to measure charge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The household energymeter is None of the listed here An integrating instrument A recording instrument An indicating instrument None of the listed here An integrating instrument A recording instrument An indicating instrument ANSWER DOWNLOAD EXAMIANS APP
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