Measurement and Instrumentation To measure ac as well as dc power, we use Dynamometer wattmeter None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High AC voltage Low frequency voltage High DC voltage AC voltage of any form High AC voltage Low frequency voltage High DC voltage AC voltage of any form ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 0° 120° 30° 90° 0° 120° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is high. small. ideally zero. very high. high. small. ideally zero. very high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.25% 1.5% & 98.75% 1.25% & 98.75% 1.5% & 99% 1.25% & 98.25% 1.5% & 98.75% 1.25% & 98.75% 1.5% & 99% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ammeters Voltmeters Wattmeters Ohmmeters and resistance bridges Ammeters Voltmeters Wattmeters Ohmmeters and resistance bridges ANSWER DOWNLOAD EXAMIANS APP