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#57520 Bangla Language & Literature Basic Information of Daily Science Inventions and Level 0

For which of the following purposes is a transformer used?

  1. A conversion of DC into AC
  2. B conversion of low voltage into high voltage and vice versa
  3. C measurement of flow of electricity
  4. D regulation of fluctuation of voltage
Answer: B - conversion of low voltage into high voltage and vice versa

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