Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A frequency meter. A function generator. A potentiometer. An ammeter. A frequency meter. A function generator. A potentiometer. An ammeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? C. potentiometer Small range moving coil voltmeter None of these Small range thermocouple voltmeter C. potentiometer Small range moving coil voltmeter None of these Small range thermocouple voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then V1 = 250V and V2 = 250V. V1 = 300V and V2 = 200V. V1 = 0V and V2 = 0V. V1 = 200V and V2 = 300V. V1 = 250V and V2 = 250V. V1 = 300V and V2 = 200V. V1 = 0V and V2 = 0V. V1 = 200V and V2 = 300V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Rms value to peak value Rms value to average value Peak value to average value Peak value to rms value Rms value to peak value Rms value to average value Peak value to average value Peak value to rms value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Period measurment modes only. Frequency measurment modes only. Period and frequency measurement modes respectively. Frequency and period measurment modes, respectively. Period measurment modes only. Frequency measurment modes only. Period and frequency measurement modes respectively. Frequency and period measurment modes, respectively. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High AC voltage High DC voltage Low frequency voltage AC voltage of any form High AC voltage High DC voltage Low frequency voltage AC voltage of any form ANSWER DOWNLOAD EXAMIANS APP