Measurement and Instrumentation Ampere is one of the Units used to measure charge Base units Derived units Supplementary units Units used to measure charge Base units Derived units Supplementary units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.2% 1% 1.5% 0.5% 1.2% 1% 1.5% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate 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. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 250 V. 252 V. 260 V. 248 V. 250 V. 252 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An instrument to be used for measurement and control should preferably have Non-linear output A highly damped response Linear output and fast response Dead zone and dead time Non-linear output A highly damped response Linear output and fast response Dead zone and dead time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 1.5µF 0.9µF 2.4µF 3.9µF 1.5µF 0.9µF 2.4µF 3.9µF ANSWER DOWNLOAD EXAMIANS APP