Question

    Alternating current is converted into direct current by

    a –
    A Transformer Correct Answer Incorrect Answer
    B Dynamo Correct Answer Incorrect Answer
    C Oscillator Correct Answer Incorrect Answer
    D Rectifier Correct Answer Incorrect Answer

    Solution

    A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification.

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