A potentiometer may be used for_________________?
Correct answer: E. all of the above
- A. measurement of resistance
- B. measurement of current
- C. calibration of ammeter
- D. calibration of voltmeter
- E. all of the above
Explanation
A potentiometer compares potential differences without drawing current from the source being measured, allowing resistance and current measurements and calibration of ammeters and voltmeters. Thus all listed uses are valid.
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