Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 25.2% 5.2% 10.2% 1.2% 25.2% 5.2% 10.2% 1.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by damping vane in the airtight chamber. the aluminium frame of the coil. eddy current disk. the coil spring attached to the moving. damping vane in the airtight chamber. the aluminium frame of the coil. eddy current disk. the coil spring attached to the moving. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electric pyrometer is an instrument used to measure Phase None of the listed here Frequency High temperatures Phase None of the listed here Frequency High temperatures 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 ± 2.24) A (400 ± 1.5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 3) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is 2√2V. √2V. Zero. 2V. 2√2V. √2V. Zero. 2V. ANSWER DOWNLOAD EXAMIANS APP
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