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 ± 0.065 ± 0.045 ± 0.056 ± 0.054 ± 0.065 ± 0.045 ± 0.056 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many time-base circuits does a dual face CRO can have? 1. 2. 3. 4. 1. 2. 3. 4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.25% 1.25% & 98.75% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.25% 1.25% & 98.75% 1.5% & 99% 1.5% & 98.75% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use Dynamometer wattmeter None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Voltmeters Wattmeters Ohmmeters and resistance bridges Ammeters Voltmeters Wattmeters Ohmmeters and resistance bridges Ammeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms The bridge can be balanced if the resistance have some specific values None of the listed here The bridge can always be balanced The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values None of the listed here The bridge can always be balanced The bridge cannot be balanced ANSWER DOWNLOAD EXAMIANS APP