Measurement and Instrumentation Wien bridge is useful for measuring High frequency Medium frequency Very high frequency Low frequency High frequency Medium frequency Very high frequency Low frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have None of these The same number of turns but different dimensions The same dimensions and the same number of turns The same dimension but different number of turns None of these The same number of turns but different dimensions The same dimensions and the same number of turns The same dimension but different number of turns ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Wattmeters Ammeters Voltmeters Ohmmeters and resistance bridges Wattmeters Ammeters Voltmeters Ohmmeters and resistance bridges ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Frequency Voltage Resistance Current Frequency Voltage Resistance Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 100W 50W 150W 200W 100W 50W 150W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 3.33% 5% 2% 1% 3.33% 5% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS