Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 3.33% 5% 1% 2% 3.33% 5% 1% 2% 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 positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 µNm. 200 µNm. 1 µNm. 100 µNm. 2 µNm. 200 µNm. 1 µNm. 100 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which amplifier in used in an electronic amplifier? Power amplifier. Butter amplifer. Wideband amplifier. Differential amplifier. Power amplifier. Butter amplifer. Wideband amplifier. Differential amplifier. 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 ? ± 0.054 ± 0.056 ± 0.065 ± 0.045 ± 0.054 ± 0.056 ± 0.065 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms The bridge can not be balanced. The bridge can be balanced. The bridge is balanced for some specified value of frequency. The bridge is balanced for some specified value of R1, R2, R3. The bridge can not be balanced. The bridge can be balanced. The bridge is balanced for some specified value of frequency. The bridge is balanced for some specified value of R1, R2, R3. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0024 Ohm. 240 Ohm. 0.0012 Ohm. 120 Ohm. 0.0024 Ohm. 240 Ohm. 0.0012 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
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