Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is Zero. 4.20 V. - 3.33 V. 6.66 V. Zero. 4.20 V. - 3.33 V. 6.66 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Measuring a voltage Comparing two currents Comparing two voltages Measuring a current Measuring a voltage Comparing two currents Comparing two voltages Measuring a current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then Both X and Y are equally sensitive. Y is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. X is more sensitive. Both X and Y are equally sensitive. Y is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. X is more sensitive. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling Electrostatic coupling None of these Both A and B Electromagnetic coupling Electrostatic coupling None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
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 One ohm according to working standards One ohm according to SI units Standard ohm One international ohm One ohm according to working standards One ohm according to SI units Standard ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is 11. 110. 100. 10. 11. 110. 100. 10. ANSWER DOWNLOAD EXAMIANS APP
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