Measurement and Instrumentation Electrostatic instruments are used as Both ammeter and voltmeter Voltmeters only Ammeters only Wattmeter only Both ammeter and voltmeter Voltmeters only Ammeters only Wattmeter only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error? 3% 2% 4% 5% 3% 2% 4% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in Wh VAR kWh kW Wh VAR kWh kW ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The Metric System is also called as: MKS system None of these CGS SI MKS system None of these CGS SI ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as true error. ratio of absolute error and true value. None of these absolute error. true error. ratio of absolute error and true value. None of these absolute error. ANSWER DOWNLOAD EXAMIANS APP
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