Measurement and Instrumentation Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because It does not load the circuit at all. It loads the circuit to maximum extent. It uses centre zero galvanometer instead of voltmeter. It loads the circuit moderately. It does not load the circuit at all. It loads the circuit to maximum extent. It uses centre zero galvanometer instead of voltmeter. It loads the circuit moderately. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read None of the listed here 2.5 A 5 A 0 A None of the listed here 2.5 A 5 A 0 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? CRO Moving coil voltmeter VTVM Moving iron voltmeter CRO Moving coil voltmeter VTVM Moving iron voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 4.38 V. 5 V. 4.54 V. 3.53 V. 4.38 V. 5 V. 4.54 V. 3.53 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Square-law scale Linear scale Logarithmic scale Exponential scale Square-law scale Linear scale Logarithmic scale Exponential scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 0 W. 25 W. 100 W. 50 W. 0 W. 25 W. 100 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
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