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 2.5 A None of the listed here 0 A 5 A 2.5 A None of the listed here 0 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by not provided at all. weight attached to the moving coil. crossed coil mechanism. spring. not provided at all. weight attached to the moving coil. crossed coil mechanism. spring. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Low frequency Very high frequency Medium frequency High frequency Low frequency Very high frequency Medium frequency High frequency 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 ohm according to SI units One international ohm Standard ohm One ohm according to working standards One ohm according to SI units One international ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Dynamic errors are caused by observational error environmental error human error instrument not responding fast observational error environmental error human error instrument not responding fast ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 3750 rev/KWh. 960 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 960 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP