69th BPSC Prelims (2023), question 26

🔬 Science & Technology

  1. An AC current can be produced by

    1. choke coil
    2. dynamo
    3. transformer
    4. None of the above
    Show answer

    Answer: B — dynamo

    A dynamo can generate AC current (as well as DC via a commutator).

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Bihar Public Service Commission