J & K CET Medical J & K - CET Medical Solved Paper-2002

  • question_answer
    Alternating current is converted into direr current by :

    A)  dynamo                             

    B)  motor

    C)  transformer                     

    D)  rectifier

    Correct Answer: D

    Solution :

                     A rectifier is an electrical device comprising of one or more semiconductor devices or vacuum tubes arranged for converting alternating current to direct current. While transform is used to step-up or step-down alternating voltage. Dynamo is an electrical generator and electric motor converts electrical energy into kinetic energy.


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