Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 0.5% 1.5% 1.2% 1% 0.5% 1.5% 1.2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Moving iron instruments have _____ scale. Uniform None of the listed here Squared Log Uniform None of the listed here Squared Log ANSWER DOWNLOAD EXAMIANS APP
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 5.2% 10.2% 1.2% 25.2% 5.2% 10.2% 1.2% 25.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having sensitivity of 1 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 10 KW/V. None of above. Voltmeter having sensitivity of 1 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 10 KW/V. None of above. 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 Errorneous standardisation. Stray thermal emfs. Stray magnetic fields. Ripples of the DC supply. Errorneous standardisation. Stray thermal emfs. Stray magnetic fields. Ripples of the DC supply. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Fundamental quantity Derived quantity Numerical quantity None of these Fundamental quantity Derived quantity Numerical quantity None of these ANSWER DOWNLOAD EXAMIANS APP
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