Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 2.24) A (400 ± 3) A (400 ± 1.5) A (400 ± 1) A (400 ± 2.24) A (400 ± 3) A (400 ± 1.5) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are potentiometric recorders. any one of the above. bridge recorders. LVDT recorders. potentiometric recorders. any one of the above. bridge recorders. LVDT recorders. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 30o. perpendicular. parallel. inclined at 60o. inclined at 30o. perpendicular. parallel. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that measures high Q inductors. reduction of the cost. balance equation independent of frequency. attaining balance condition is easier. measures high Q inductors. reduction of the cost. balance equation independent of frequency. attaining balance condition is easier. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Dynamometer Hot wire Moving iron Thermocouple Dynamometer Hot wire Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Ampere hour and watt hour meters Ammeters Wattmeters Voltmeters Ampere hour and watt hour meters Ammeters Wattmeters Voltmeters ANSWER DOWNLOAD EXAMIANS APP