Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 2.5% ± 1.5% ±3.5% ± 1% ± 2.5% ± 1.5% ±3.5% ± 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 1% 4% 2% 3% 1% 4% 2% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? Force and strain None of these Angular velocity and angular frequency Force and stress Force and strain None of these Angular velocity and angular frequency Force and stress ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Dynamometer Moving iron Hot wire Thermocouple Dynamometer Moving iron Hot wire ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Voltage Temperature Both Voltage and Temperature Current Voltage Temperature Both Voltage and Temperature Current 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% more. 0.4% less. 0.2% less. 0.4 more. 0.2% more. 0.4% less. 0.2% less. ANSWER DOWNLOAD EXAMIANS APP