Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 1 2 4 5 1 2 4 5 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is a moving coil instrument. an electrostatic instrument. a thermal instrument. a dynamometer instrument. a moving coil instrument. an electrostatic instrument. a thermal instrument. a dynamometer instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 105.6o. 63.25o. 30o. 150o. 105.6o. 63.25o. 30o. 150o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 3% ± 2.8% ± 4% ± 6% ± 3% ± 2.8% ± 4% ± 6% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for DC only AC only Both DC and AC Any of the listed here DC only AC only Both DC and AC Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ammeter Ballastic galvanometer Voltmeter Flux meter Ammeter Ballastic galvanometer Voltmeter Flux meter ANSWER DOWNLOAD EXAMIANS APP
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