Measurement and Instrumentation A dynamometer wattmeter can be used for Any of the listed here DC only Both DC and AC AC only Any of the listed here DC only Both DC and AC AC only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 5.2% 1.2% 25.2% 10.2% 5.2% 1.2% 25.2% 10.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling Electrostatic coupling Both A and B None of these Electromagnetic coupling Electrostatic coupling Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are used as Ammeters only Voltmeters only Wattmeter only Both ammeter and voltmeter Ammeters only Voltmeters only Wattmeter only Both ammeter and voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 85.4o. 4.6o. 175.4o. 94.6o. 85.4o. 4.6o. 175.4o. 94.6o. 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? 2% 5% 4% 3% 2% 5% 4% 3% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS