Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A potentiometer. A function generator. A frequency meter. An ammeter. A potentiometer. A function generator. A frequency meter. An ammeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate both A and B. none of these. error due to strong magnetic field. error due to temperature true variations. both A and B. none of these. error due to strong magnetic field. error due to temperature true variations. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Digital Volt meter Potentiometer Moving- iron meter Moving-coil meter Digital Volt meter Potentiometer Moving- iron meter Moving-coil meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Mass x velocity Force x displacement Mass x acceleration Change in velocity / time Mass x velocity Force x displacement Mass x acceleration Change in velocity / time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ammeters Wattmeters Ohmmeters and resistance bridges Voltmeters Ammeters Wattmeters Ohmmeters and resistance bridges Voltmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.045 ± 0.065 ± 0.054 ± 0.056 ± 0.045 ± 0.065 ± 0.054 ± 0.056 ANSWER DOWNLOAD EXAMIANS APP