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. 625 Hz. 500 Hz. 400 Hz. 250 Hz. 625 Hz. 500 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The rectifier instrument is not free from All of the listed here Wave shape error Temperature error Frequency error All of the listed here Wave shape error Temperature error Frequency error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Ra/Rc).Rb. (Rc/Rb).Ra. (Rc/Ra).Rb. (Rb/Rc).Ra. (Ra/Rc).Rb. (Rc/Rb).Ra. (Rc/Ra).Rb. (Rb/Rc).Ra. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 4% 1% 2% 3% 4% 1% 2% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Moving iron voltmeter Permanent Magnet Type ammeter Induction type ammeter Moving iron ammeter Moving iron voltmeter Permanent Magnet Type ammeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because resistance variation due to temperature. effect of contact and lead resistance is eliminated. there is no thermo electric emf. it has high sensitivity. resistance variation due to temperature. effect of contact and lead resistance is eliminated. there is no thermo electric emf. it has high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
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