Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Positive Negligible None of the listed here Negative Positive Negligible None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.4 more. 0.2% less. 0.2% more. 0.4% less. 0.4 more. 0.2% less. 0.2% more. 0.4% less. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 0. 0.5. none of above. 1. 0. 0.5. none of above. 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is ______ instrument. An integrating An indicating None of the listed here A recording An integrating An indicating None of the listed here A recording ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is - 3.33 V. 4.20 V. 6.66 V. Zero. - 3.33 V. 4.20 V. 6.66 V. Zero. 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 Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP