Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Ohmmeter Potentiometer Wheatstone bridge Voltmeter and ammeter Ohmmeter Potentiometer Wheatstone bridge Voltmeter and ammeter 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. 0.09 µF. 11 µF. 0.1 µF. 10 µF. 0.09 µF. 11 µF. 0.1 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have higher response time. large time constant. All of these high inertia. higher response time. large time constant. All of these high inertia. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures Average value. Peak value. Peak to peak value. rms value. Average value. Peak value. Peak to peak value. rms value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error? 4% 2% 5% 3% 4% 2% 5% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be 250 Hz. 500 Hz. 400 Hz. 625 Hz. 250 Hz. 500 Hz. 400 Hz. 625 Hz. ANSWER DOWNLOAD EXAMIANS APP