Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1% ±3.5% ± 2.5% ± 1.5% ± 1% ±3.5% ± 2.5% ± 1.5% 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 ideally zero. small. high. very high. ideally zero. small. high. very high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 4 A. 4.47 A. 2 A. 5.78 A. 4 A. 4.47 A. 2 A. 5.78 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement? 0.01 ohm. 10.26 ohm. 0.03 ohm. 15.36 ohm. 0.01 ohm. 10.26 ohm. 0.03 ohm. 15.36 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Permanent Magnet Type ammeter Moving iron ammeter Induction type ammeter Moving iron voltmeter Permanent Magnet Type ammeter Moving iron ammeter Induction type ammeter Moving iron voltmeter 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 3 mA. 2 mA. 1 mA. 4 mA. 3 mA. 2 mA. 1 mA. 4 mA. ANSWER DOWNLOAD EXAMIANS APP
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