The chemical effect of current is used in ______________?
Correct answer: A. D.C. ammeter hour meter
- A. D.C. ammeter hour meter
- B. D.C. ammeter
- C. D.C. energy meter
- D. none of the above
Explanation
A DC ampere-hour meter uses the chemical effect of current, with the deposited chemical quantity corresponding to the total charge passed. Ordinary ammeters and DC energy meters do not primarily use this effect.
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