Measurement and Instrumentation The range of a moving iron ac ammeter is extended by A shunt None of the listed here A multiplier Changing number of turns of operating coil A shunt None of the listed here A multiplier Changing number of turns of operating coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ammeters Wattmeters Ohmmeters and resistance bridges Voltmeters Ammeters Wattmeters Ohmmeters and resistance bridges Voltmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display AC signals Both AC and DC signals Time invariant signals DC signals AC signals Both AC and DC signals Time invariant signals DC signals ANSWER DOWNLOAD EXAMIANS APP
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? 25.45 W. 32.56 W . None of these 28.12 W. 25.45 W. 32.56 W . None of these 28.12 W. 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 10 µF. 0.1 µF. 11 µF. 0.09 µF. 10 µF. 0.1 µF. 11 µF. 0.09 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows a straight line. sinisoidal. an ellipse. a circle. a straight line. sinisoidal. an ellipse. a circle. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS