Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.1mA 0.05mA 0.023mA 0.007mA 0.1mA 0.05mA 0.023mA 0.007mA ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.70 A. 0.67 A. 0.50 A. 0.25 A. 0.70 A. 0.67 A. 0.50 A. 0.25 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Peak value to rms value Peak value to average value Rms value to peak value Rms value to average value Peak value to rms value Peak value to average value Rms value to peak value Rms value to average value 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? 28.12 W. 25.45 W. 32.56 W . None of these 28.12 W. 25.45 W. 32.56 W . None of these 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 an ellipse. a straight line. sinisoidal. a circle. an ellipse. a straight line. sinisoidal. a circle. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. Moving iron None of the listed here D'Arsonval movement Dynamometer Moving iron None of the listed here D'Arsonval movement Dynamometer ANSWER DOWNLOAD EXAMIANS APP
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