Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is logarithmic. linear. square law. expontial. logarithmic. linear. square law. expontial. 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 = 300V and V2 = 200V. V1 = 0V and V2 = 0V. V1 = 250V and V2 = 250V. V1 = 200V and V2 = 300V. V1 = 300V and V2 = 200V. V1 = 0V and V2 = 0V. V1 = 250V and V2 = 250V. V1 = 200V and V2 = 300V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that No generalisation can be made with regard to the flux densities in CT and PT CT operates at almost the same flux density as a PT CT operates with considerably lower flux density than a PT CT operates with a higher flux density than PT No generalisation can be made with regard to the flux densities in CT and PT CT operates at almost the same flux density as a PT CT operates with considerably lower flux density than a PT CT operates with a higher flux density than PT ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the approximate input impedance of a CRO? 100 MΩ 0 1 MΩ 10 MΩ 100 MΩ 0 1 MΩ 10 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 3% ± 2.8% ± 6% ± 4% ± 3% ± 2.8% ± 6% ± 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. ANSWER DOWNLOAD EXAMIANS APP