Measurement and Instrumentation Swamping resistance is used to compensate both A and B. error due to strong magnetic field. error due to temperature true variations. none of these. both A and B. error due to strong magnetic field. error due to temperature true variations. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most accurate. least time consuming. most simple. most simple and least time consuming. most accurate. least time consuming. most simple. most simple and least time consuming. ANSWER DOWNLOAD EXAMIANS APP
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% ± 1.5% ±3.5% ± 2.5% ± 1% ± 1.5% ±3.5% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 150W 100W 200W 50W 150W 100W 200W 50W 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 moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ballastic galvanometer Voltmeter Flux meter Ammeter Ballastic galvanometer Voltmeter Flux meter Ammeter ANSWER DOWNLOAD EXAMIANS APP
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