Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 1 ohm. 10 ohm. 1000 ohm. 100 ohm. 1 ohm. 10 ohm. 1000 ohm. 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 25 mA. 40 mA. 50 mA. 80 mA. 25 mA. 40 mA. 50 mA. 80 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Full-scale value Rms value Measured value Mean value Full-scale value Rms value Measured value Mean value 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. 1 µNm. 100 µNm. 200 µNm. 2 µNm. 1 µNm. 100 µNm. 200 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because It is based on null balance technique. The precision in measurment is independent of the type of the defector used. None of above. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. The precision in measurment is independent of the type of the defector used. None of above. It is possible to standardize before a measurement is undertaken. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is Standard ohm One ohm according to working standards One international ohm One ohm according to SI units Standard ohm One ohm according to working standards One international ohm One ohm according to SI units ANSWER DOWNLOAD EXAMIANS APP
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