Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.065 ± 0.056 ± 0.054 ± 0.045 ± 0.065 ± 0.056 ± 0.054 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect The meter does not respond to DC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ±3.5% ± 2.5% ± 1.5% ± 1% ±3.5% ± 2.5% ± 1.5% ± 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of inductance having high value, we should use Hay's bridge Any of the listed here Maxwell wein bridge Maxwell's bridge Hay's bridge Any of the listed here Maxwell wein bridge Maxwell's bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 K ohms 100 K ohms 100 ohms 99.99 ohms 99.99 K ohms 100 K ohms 100 ohms 99.99 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge? First adjust R2 and then adjust R3. First adjust R4 and then adjust R1. First adjust R4 and then adjust R2. First adjust R2 and then adjust R4. First adjust R2 and then adjust R3. First adjust R4 and then adjust R1. First adjust R4 and then adjust R2. First adjust R2 and then adjust R4. ANSWER DOWNLOAD EXAMIANS APP
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