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Power transformers are designed to have maximum efficiency at

A. nearly full load

B. 70% full load

C. 50% full load

D. no load

Answer: Option A

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Comments ( 1 )

  1. Shivam Patil
    Shivam Patil :
    2 years ago

    AC power in a load can be controlled by connecting......

    1) 2SCRs in siries
    2) 2SCRs in parallel
    3) 2SCRs in parallel opposition
    4)Combination of 2 SCRs in series and parallel

Related Questions on Transformers

A good voltage regulation of a transformer means

A. output voltage fluctuation from no load to full load is least

B. output voltage fluctuation with power factor is least

C. difference between primary and secondary voltage is least

D. difference between primary and secondary voltage is maximum