Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has All of these a higher accuracy. a lower sensitivity. a faster response. All of these a higher accuracy. a lower sensitivity. a faster response. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High frequencies High load on the transformer Power frequencies Low frequencies High frequencies High load on the transformer Power frequencies Low frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Symmetric errors are Instrument errors Environment errors Observational errors All of the listed here Instrument errors Environment errors Observational errors All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.054 ± 0.065 ± 0.045 ± 0.056 ± 0.054 ± 0.065 ± 0.045 ± 0.056 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Flux density. Magnetic field intensity. Magnetic potential. Relative permeability. Flux density. Magnetic field intensity. Magnetic potential. Relative permeability. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because None of these Voltage source will increase resistance The ohmmeter has its own internal battery Current will decrease resistance None of these Voltage source will increase resistance The ohmmeter has its own internal battery Current will decrease resistance ANSWER DOWNLOAD EXAMIANS APP
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