Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 2.8% ± 6% ± 4% ± 3% ± 2.8% ± 6% ± 4% ± 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be Almost zero None of the listed here High Low Almost zero None of the listed here High Low 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. X is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Both X and Y are equally sensitive. Y is more sensitive. X is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Measuring a current Comparing two voltages Comparing two currents Measuring a voltage Measuring a current Comparing two voltages Comparing two currents Measuring a voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ammeter Voltmeter Flux meter Ballastic galvanometer Ammeter Voltmeter Flux meter Ballastic galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 1.5) A (400 ± 2.24) A (400 ± 3) A (400 ± 1) A (400 ± 1.5) A (400 ± 2.24) A (400 ± 3) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP
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