Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Moving iron Dynamometer Hot wire Thermocouple Moving iron Dynamometer Hot wire Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates DC value of voltage Peak to peak value of voltage Average value RMS value DC value of voltage Peak to peak value of voltage Average value RMS value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Square of current through coil The current through coil Sine of measured Square-root of current through coil Square of current through coil The current through coil Sine of measured Square-root of current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? None of these 28.12 W. 25.45 W. 32.56 W . None of these 28.12 W. 25.45 W. 32.56 W . ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures Peak value. Peak to peak value. rms value. Average value. Peak value. Peak to peak value. rms value. Average value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. only the magnitude of the quantity being measured. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. only the magnitude of the quantity being measured. ANSWER DOWNLOAD EXAMIANS APP