Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling None of these Electrostatic coupling Both A and B Electromagnetic coupling None of these Electrostatic coupling Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 2.5% ± 1.5% ± 3.5% ± 1% ± 2.5% ± 1.5% ± 3.5% ± 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Square-root of current through coil Sine of measured Square of current through coil The current through coil Square-root of current through coil Sine of measured Square of current through coil The current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 4 kWh 2 kWh 3 kWh 1 kWh 4 kWh 2 kWh 3 kWh 1 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Systematic errors Gross errors Environmental errors Random errors Systematic errors Gross errors Environmental errors Random errors ANSWER DOWNLOAD EXAMIANS APP
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