Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range thermocouple voltmeter Small range moving coil voltmeter None of these C. potentiometer Small range thermocouple voltmeter Small range moving coil voltmeter None of these C. potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge? First adjust R2 and then adjust R4. First adjust R4 and then adjust R1. First adjust R2 and then adjust R3. First adjust R4 and then adjust R2. First adjust R2 and then adjust R4. First adjust R4 and then adjust R1. First adjust R2 and then adjust R3. First adjust R4 and then adjust R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ± 1.5% ±0.5% ± 3.0% ±3.5% ± 1.5% ±0.5% ± 3.0% ±3.5% 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 400 Hz. 250 Hz. 500 Hz. 625 Hz. 400 Hz. 250 Hz. 500 Hz. 625 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one the following statements is correct? The application of the instrument in wrong manner in the procedure of measurement results in a/an gross error systematic error instrument error random error gross error systematic error instrument error random error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An analog ammeter is a controlling instrument. an indicating instrument. a recording instrument. an absolute instrument. a controlling instrument. an indicating instrument. a recording instrument. an absolute instrument. ANSWER DOWNLOAD EXAMIANS APP
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