Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to None of these Electrostatic coupling Electromagnetic coupling Both A and B None of these Electrostatic coupling Electromagnetic coupling Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a faster response. All of these a lower sensitivity. a higher accuracy. a faster response. All of these a lower sensitivity. a higher accuracy. 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 magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 25 V. 50 V. 200 V. 100 V. 25 V. 50 V. 200 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Concentric cylindrical type Spherical type Multiplate parallel plate type Electrostatic type Concentric cylindrical type Spherical type Multiplate parallel plate type Electrostatic type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for Both DC and AC Any of the listed here DC only AC only Both DC and AC Any of the listed here DC only AC only ANSWER DOWNLOAD EXAMIANS APP