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 In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 300∠90° ohm. 150∠30° ohm. 600∠-150° ohm. 400∠-90° ohm. 300∠90° ohm. 150∠30° ohm. 600∠-150° ohm. 400∠-90° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter None of the listed here Induction wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Rms value to average value Peak value to average value Peak value to rms value Rms value to peak value Rms value to average value Peak value to average value Peak value to rms value Rms value to peak value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in kW Wh VAR kWh kW Wh VAR kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standardization of potentiometer is done in order that, they become accurate and precise. accurate. accurate and direct reading. precise. accurate and precise. accurate. accurate and direct reading. precise. ANSWER DOWNLOAD EXAMIANS APP
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