Measurement and Instrumentation What is the approximate input impedance of a CRO? 100 MΩ 1 MΩ 10 MΩ 0 100 MΩ 1 MΩ 10 MΩ 0 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Moving iron Dynamometer Hot wire Thermocouple Moving iron Dynamometer Hot wire ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to None of these Electromagnetic coupling Both A and B Electrostatic coupling None of these Electromagnetic coupling Both A and B Electrostatic coupling ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Environmental errors Systematic errors Random errors Gross errors Environmental errors Systematic errors Random errors Gross errors 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. 625 Hz. 500 Hz. 400 Hz. 250 Hz. 625 Hz. 500 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Grid X-Y plates Accelerating anode Cathode Grid X-Y plates Accelerating anode Cathode ANSWER DOWNLOAD EXAMIANS APP
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