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 SI units One international ohm One ohm according to working standards Standard ohm One ohm according to SI units One international ohm One ohm according to working standards ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 1 mA. 2 mA. 4 mA. 3 mA. 1 mA. 2 mA. 4 mA. 3 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A potentiometer may be used for Measurement of current Calibration of ammeter All of the listed here Measurrment of resistance Measurement of current Calibration of ammeter All of the listed here Measurrment of resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read None of the listed here 0 A 2.5 A 5 A None of the listed here 0 A 2.5 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is 2V. √2V. Zero. 2√2V. 2V. √2V. Zero. 2√2V. 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 200 Nm. 100 Nm. 2 Nm. 1 Nm. 200 Nm. 100 Nm. 2 Nm. 1 Nm. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS