Measurement and Instrumentation A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads 111V 50V 100V 90V 111V 50V 100V 90V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Comparing two currents Measuring a current Comparing two voltages Measuring a voltage Comparing two currents Measuring a current Comparing two voltages Measuring a voltage ANSWER DOWNLOAD EXAMIANS APP
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. 12.6 V. 10.6 V. 11.1 V. 15 V. 12.6 V. 10.6 V. 11.1 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance is measured by the voltmeter-ammeter method employing dc excitation and a voltmeter of very high resistance connected directly across the unknown resistance. If the voltmeter and ammeter reading are subject to maximum possible errors of ± 2.4 % and ± 1.0 % respectively, then the magnitude of the maximum possible percentage error in the value of resistance deduced from the measurement is nearly ± 2.4% ± 1.4% ± 1% ± 3.4% ± 2.4% ± 1.4% ± 1% ± 3.4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 100W 50W 150W 200W 100W 50W 150W 200W ANSWER DOWNLOAD EXAMIANS APP
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