Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling Both A and B None of these Electrostatic coupling Electromagnetic coupling Both A and B None of these Electrostatic coupling ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 250 V. 252 V. 248 V. 260 V. 250 V. 252 V. 248 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read None of the listed here 2.5 A 0 A 5 A None of the listed here 2.5 A 0 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An induction meter can handle current upto 10 A 60 A 100 A 30 A 10 A 60 A 100 A 30 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Contact resistance. Resistance of connecting leads. Thermoelectric emfs. All of above. Contact resistance. Resistance of connecting leads. Thermoelectric emfs. All of above. ANSWER DOWNLOAD EXAMIANS APP
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