Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    The efficiency of transformer is very high because

    A)  there is no moving part in a transformer

    B)  it produces very high voltage

    C)  it produces very low voltage

    D)  None of the above

    Correct Answer: A

    Solution :

    Transformer modulates the voltage. It works  on principle of mutual induction. Its main parts  are (1) primary and secondary. (2) laminated core. Thus, there is no moving part in transformer. So its efficiency is very high.             


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