Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 2.5% 1.5% 1% 2% 2.5% 1.5% 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 1 µNm. 200 µNm. 100 µNm. 2 µNm. 1 µNm. 200 µNm. 100 µNm. 2 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate none of these. error due to strong magnetic field. both A and B. error due to temperature true variations. none of these. error due to strong magnetic field. both A and B. error due to temperature true variations. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? g, cm and s. g, m and s. kg, m and s. kg, cm and s. g, cm and s. g, m and s. kg, m and s. kg, cm and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of a rectifier instrument is Non-linear Either linear or non linear None of the listed here Linear Non-linear Either linear or non linear None of the listed here Linear ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP
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