Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Moving iron Hot wire Dynamometer Thermocouple Moving iron Hot wire Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. None of the listed here Positive Negligible Negative None of the listed here Positive Negligible Negative ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Errorneous standardisation. Stray thermal emfs. Ripples of the DC supply. Stray magnetic fields. Errorneous standardisation. Stray thermal emfs. Ripples of the DC supply. Stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? Force and stress None of these Force and strain Angular velocity and angular frequency Force and stress None of these Force and strain Angular velocity and angular frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 5.2% 10.2% 1.2% 25.2% 5.2% 10.2% 1.2% 25.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Derived units Supplementary units Units used to measure charge Base units Derived units Supplementary units Units used to measure charge Base units ANSWER DOWNLOAD EXAMIANS APP
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