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 0 A 5 A None of the listed here 2.5 A 0 A 5 A None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is small. ideally zero. very high. high. small. ideally zero. very high. high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Silver Soft steel Aluminium Copper Silver Soft steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An analog ammeter is an absolute instrument. an indicating instrument. a controlling instrument. a recording instrument. an absolute instrument. an indicating instrument. a controlling instrument. a recording instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 10 ohm. 1000 ohm. 1 ohm. 100 ohm. 10 ohm. 1000 ohm. 1 ohm. 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.6 lag. 0.917 lag. 0.917 lead. 0.6 lead. 0.6 lag. 0.917 lag. 0.917 lead. 0.6 lead. ANSWER DOWNLOAD EXAMIANS APP