1. Identify the 'CORRECT' statements,
1. Loading effect is primarily caused by instruments having low sensitivity.
2. Relative error is the difference between the measured value and the true value.
3. Resolution is small increment is measurand that can be detected with certainty by the instrument.
4. Moving-coil permanent magnet instruments can be used for the measurements of AC and DC.
1. Loading effect is primarily caused by instruments having low sensitivity.
2. Relative error is the difference between the measured value and the true value.
3. Resolution is small increment is measurand that can be detected with certainty by the instrument.
4. Moving-coil permanent magnet instruments can be used for the measurements of AC and DC.
2. Swamping resistor is connected with PMMC meter in order to:
3. A delay line is used in high speed CRO to introduce time delay in
4. Consider the following statements regarding data acquisition systems:
1. Digital data acquisition systems are used when wide frequency width is required.
2. Analog data acquisition system are more complex the digital systems.
3. Digital data acquisition systems are used when the physical quality being monitored has narrow bandwidth.
Which of the above statements are not correct?
1. Digital data acquisition systems are used when wide frequency width is required.
2. Analog data acquisition system are more complex the digital systems.
3. Digital data acquisition systems are used when the physical quality being monitored has narrow bandwidth.
Which of the above statements are not correct?
5. For controlling the vibration of the disc of an AC energy meter, damping torque is produced by
6. Gas flow and gas pressure can be measured by
7. What is the unit of measure for electrical pressure or electromotive force?
8. Error caused by the act of measurement on the physical system being tested is
9. Parameter defined as the nearness of the indicated value to the true value of the quantity being measured is
10. The principle of operation of Q-meter is based on
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