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 ? ± 0.056 ± 0.065 ± 0.054 ± 0.045 ± 0.056 ± 0.065 ± 0.054 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 100 Ω/volt 1000 Ω/volt 10 MΩ/volt 1 MΩ/volt 100 Ω/volt 1000 Ω/volt 10 MΩ/volt 1 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have High degree of measuring accuracy High sensitivity Independence of ambient temperature Absence of frequency error High degree of measuring accuracy High sensitivity Independence of ambient temperature Absence of frequency error 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% 1.5% 1% 0.5% 1.2% 1.5% 1% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that measures high Q inductors. reduction of the cost. attaining balance condition is easier. balance equation independent of frequency. measures high Q inductors. reduction of the cost. attaining balance condition is easier. balance equation independent of frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Square-root of current through coil Sine of measured Square of current through coil The current through coil Square-root of current through coil Sine of measured Square of current through coil The current through coil ANSWER DOWNLOAD EXAMIANS APP