Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 5% 3.33% 2% 1% 5% 3.33% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Current Voltage Resistance Frequency Current Voltage Resistance Frequency 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 The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 1) A (400 ± 3) A (400 ± 2.24) A (400 ±5) A (400 ± 1) A (400 ± 3) A (400 ± 2.24) A (400 ±5) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is 260 bar. 250 bar. 270 bar. 10 bar. 260 bar. 250 bar. 270 bar. 10 bar. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From the same source as the unknown voltage From a battery Any of the above From a source which is not the same as the unknown voltage From the same source as the unknown voltage From a battery Any of the above From a source which is not the same as the unknown voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS