Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 15 V. 10.6 V. 11.1 V. 12.6 V. 15 V. 10.6 V. 11.1 V. 12.6 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resolution of an instrument is the maximum quantity it can measure. ability to distinguish polarity. the minimum quantity it can measure. the maximum non linearity. the maximum quantity it can measure. ability to distinguish polarity. the minimum quantity it can measure. the maximum non linearity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An induction wattmeter can be used for Ac only Any of the listed here Dc only Both DC and AC Ac only Any of the listed here Dc only Both DC and AC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 30° 0° 90° 120° 30° 0° 90° 120° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are least time consuming. most simple. most simple and least time consuming. most accurate. least time consuming. most simple. most simple and least time consuming. most accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to hysteresis effect The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to hysteresis effect ANSWER DOWNLOAD EXAMIANS APP