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 5 A None of the listed here 0 A 2.5 A 5 A None of the listed here 0 A 2.5 A 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 One ohm according to working standards One international ohm Standard ohm One ohm according to SI units One ohm according to working standards One international ohm Standard ohm One ohm according to SI units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation On a simple ohmmeter, the 0 Ω mark is _______ of the scale. In the middle Far right None of the listed here Far left In the middle Far right None of the listed here Far left ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Peak value to average value Rms value to average value Peak value to rms value Rms value to peak value Peak value to average value Rms value to average value Peak value to rms value Rms value to peak value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 1 Ohm 1/49.99 ohms 49.99 Ohms 2 Ohms 1 Ohm 1/49.99 ohms 49.99 Ohms 2 Ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is precision. sensitivity. resolution. accuracy. precision. sensitivity. resolution. accuracy. ANSWER DOWNLOAD EXAMIANS APP