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1. Which of the following transformers can have a tap changer?
![](data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%201031%201132%22%3E%3C/svg%3E)
(a) Current transformer.
(b) Potential transformer.
(c) Power transformer.
(d) Earthing transformer.
ANSWER:
(c) Power transformer.
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