Measurement and Instrumentation The EMF of Weston standard cell is measured using Potentiometer Moving- iron meter Digital Volt meter Moving-coil meter Potentiometer Moving- iron meter Digital Volt meter Moving-coil meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in kWh kW VAR Wh kWh kW VAR Wh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as true error. None of these absolute error. ratio of absolute error and true value. true error. None of these absolute error. ratio of absolute error and true value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 100 Nm. 200 Nm. 2 Nm. 1 Nm. 100 Nm. 200 Nm. 2 Nm. 1 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Ohm’s law method Rayleigh method Lorenz method Bridge Method Ohm’s law method Rayleigh method Lorenz method Bridge Method 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 ± 1.5% ± 1% ± 2.5% ± 3.5% ± 1.5% ± 1% ± 2.5% ± 3.5% ANSWER DOWNLOAD EXAMIANS APP