Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is One international ohm Standard ohm One ohm according to SI units One ohm according to working standards One international ohm Standard ohm One ohm according to SI units One ohm according to working standards ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Ohmmeter Voltmeter and ammeter Potentiometer Wheatstone bridge Ohmmeter Voltmeter and ammeter Potentiometer Wheatstone bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide Friction compensation Creep compensation None of the listed here Breaking torque Friction compensation Creep compensation None of the listed here Breaking torque ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Dynamic errors are caused by observational error human error environmental error instrument not responding fast observational error human error environmental error instrument not responding fast ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is - 3.33 V. Zero. 4.20 V. 6.66 V. - 3.33 V. Zero. 4.20 V. 6.66 V. 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% ± 1.5% ± 3.5% ± 2.5% ± 1% ± 1.5% ± 3.5% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS