Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 50 V. 100 V. 200 V. 25 V. 50 V. 100 V. 200 V. 25 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 100 Nm. 2 Nm. 200 Nm. 1 Nm. 100 Nm. 2 Nm. 200 Nm. 1 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter C. potentiometer Small range thermocouple voltmeter None of these Small range moving coil voltmeter C. potentiometer Small range thermocouple voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A potentiometer may be used for All of the listed here Measurrment of resistance Measurement of current Calibration of ammeter All of the listed here Measurrment of resistance Measurement of current Calibration of ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 5% 6.67% 8.33% 10% 5% 6.67% 8.33% 10% ANSWER DOWNLOAD EXAMIANS APP
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 ? ± 0.065 ± 0.045 ± 0.054 ± 0.056 ± 0.065 ± 0.045 ± 0.054 ± 0.056 ANSWER DOWNLOAD EXAMIANS APP
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