Electrical Engineering · Transformers
Choose the INCORRECT statement(s) from the following regarding autotransformers: I. In an autotransformer, only one winding is used. II. It is prone to breakdown under low voltage conditions. III. It has higher efficiency than a two-winding transformer. IV. Autotransformers have more voltage regulation.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1II and IV✓
- 2I and III
- 3II and III
- 4Only IV
Correct answer
II and IV
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