Measurement and Instrumentation Systematic errors are observational errors. instrument errors. All of these environmental errors. observational errors. instrument errors. All of these environmental errors. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Hot wire Dynamometer Thermocouple Moving iron Hot wire Dynamometer Thermocouple Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 120° 90° 30° 0° 120° 90° 30° 0° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Dynamic errors are caused by environmental error observational error human error instrument not responding fast environmental error observational error human error instrument not responding fast ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to eddy current effect The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to eddy current effect 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. very high. high. ideally zero. small. very high. high. ANSWER DOWNLOAD EXAMIANS APP