Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling Electrostatic coupling None of these Both A and B Electromagnetic coupling Electrostatic coupling None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.4 more. 0.4% less. 0.2% less. 0.2% more. 0.4 more. 0.4% less. 0.2% less. 0.2% more. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Current transformers Either of the above Power transformers Potential transformers Current transformers Either of the above Power transformers Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of inductance having high value, we should use Hay's bridge Maxwell's bridge Maxwell wein bridge Any of the listed here Hay's bridge Maxwell's bridge Maxwell wein bridge Any of the listed here 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 1% 3% 2% 4% 1% 3% 2% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. replaced by a source resistance short circuited replaced by a capacitor open circuited replaced by a source resistance short circuited replaced by a capacitor open circuited ANSWER DOWNLOAD EXAMIANS APP