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 ? ± 0.054 ± 0.045 ± 0.056 ± 0.065 ± 0.054 ± 0.045 ± 0.056 ± 0.065 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Rms value to average value Peak value to rms value Peak value to average value Rms value to peak value Rms value to average value Peak value to rms value Peak value to average value Rms value to peak value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Environmental errors Random errors Systematic errors Gross errors Environmental errors Random errors Systematic errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Contact resistance. Resistance of connecting leads. Thermoelectric emfs. All of above. Contact resistance. Resistance of connecting leads. Thermoelectric emfs. All of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Schering bridge is used to measure which of the following? Frequency. Resistance. Inductance. Capacitance. Frequency. Resistance. Inductance. Capacitance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Moving iron instruments have _____ scale. Log None of the listed here Squared Uniform Log None of the listed here Squared Uniform ANSWER DOWNLOAD EXAMIANS APP
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