Which of the following rectifiers are primarily used for charging of low voltage batteries from AC supply ?
Correct answer: D. Electrolytic rectifiers
- A. Mechanical rectifiers
- B. Copper oxide rectifiers
- C. Selenium rectifiers
- D. Electrolytic rectifiers
- E. Mercury arc rectifiers
Explanation
Electrolytic rectifiers were mainly used for low-voltage, relatively high-current applications such as charging batteries from an AC supply. Their construction is unsuitable for high-voltage operation.
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