Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 32.56 W . 25.45 W. None of these 28.12 W. 32.56 W . 25.45 W. None of these 28.12 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of None of the listed here Conducting and non magnetic material Conducting and magnetic material Non conducting and magnetic material None of the listed here Conducting and non magnetic material Conducting and magnetic material Non conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be Almost zero High Low None of the listed here Almost zero High Low None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 0.09 µF. 0.1 µF. 11 µF. 10 µF. 0.09 µF. 0.1 µF. 11 µF. 10 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Base units Supplementary units Units used to measure charge Derived units Base units Supplementary units Units used to measure charge Derived units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 4 kWh 3 kWh 1 kWh 2 kWh 4 kWh 3 kWh 1 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP