Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has All of these a faster response. a lower sensitivity. a higher accuracy. All of these a faster response. a lower sensitivity. a higher accuracy. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is precision. resolution. accuracy. sensitivity. precision. resolution. accuracy. sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Dynamometer Permanent magnet moving coil Hot wire Moving iron Dynamometer Permanent magnet moving coil Hot wire Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.75% 1.5% & 98.75% 1.5% & 99% 1.25% & 98.25% 1.25% & 98.75% 1.5% & 98.75% 1.5% & 99% 1.25% & 98.25% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to eddy current effect The error is high due to hysteresis 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 eddy current effect The error is high due to hysteresis effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 3.53 V. 4.38 V. 4.54 V. 5 V. 3.53 V. 4.38 V. 4.54 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
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