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 Standard ohm One international ohm One ohm according to SI units One ohm according to working standards Standard ohm One international ohm One ohm according to SI units One ohm according to working standards ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 28.12 W. 25.45 W. 32.56 W . None of these 28.12 W. 25.45 W. 32.56 W . None of these 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 200 Nm. 2 Nm. 1 Nm. 100 Nm. 200 Nm. 2 Nm. 1 Nm. 100 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. Moving iron Dynamometer D'Arsonval movement None of the listed here Moving iron Dynamometer D'Arsonval movement None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Temperature Current Voltage Both Voltage and Temperature Temperature Current Voltage Both Voltage and Temperature ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use None of the listed here Dynamometer wattmeter Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter None of the listed here Dynamometer wattmeter Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter ANSWER DOWNLOAD EXAMIANS APP
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