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Questions and Answers
True or false: Transformers can be used to convert voltage and frequency?
True or false: Transformers can be used to convert voltage and frequency?
False (B)
True or false: A Bucholz relay protects the transformer from external fault?
True or false: A Bucholz relay protects the transformer from external fault?
False (B)
True or false: An isolation transformer can be used to change voltage and current?
True or false: An isolation transformer can be used to change voltage and current?
False (B)
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Study Notes
- Transformers convert AC voltage and current into DC, and vice versa.
- Transformers have no rotating parts, so they never run on DC supply.
- Transformers convert only voltage and current, and frequency remains constant for all load.
- A pressure relief valve protects the transformer from internal fault.
- A Bucholz relay protects the transformer from internal fault.
- An isolation transformer is used for isolation purposes only.
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