Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Wheatstone bridge Voltmeter and ammeter Potentiometer Ohmmeter Wheatstone bridge Voltmeter and ammeter Potentiometer Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 4% 2% 1% 3% 4% 2% 1% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Ac generator Battery Permanent magnet dc generator Any of the listed here Ac generator Battery Permanent magnet dc generator Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Absolute error Dynamic error Gross error Relative error Absolute error Dynamic error Gross error Relative error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.05mA 0.1mA 0.023mA 0.007mA 0.05mA 0.1mA 0.023mA 0.007mA 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) A (400 ± 3) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 1) A (400 ± 3) A (400 ± 2.24) A (400 ± 1.5) A ANSWER DOWNLOAD EXAMIANS APP
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