During short circuit test iron losses are negligible because

A. the current on secondary side is negligible

B. the voltage on secondary side does not vary

C. the voltage applied on primary side is low

D. full-load current is not supplied to the transformer

Answer: Option C

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Comments ( 1 )

  1. Subhadeep Mahapatra
    Subhadeep Mahapatra :
    1 year ago

    We know iron loss depends on applied voltage. As applied voltage in primary side during SC test is very low hence iron loss also very small.

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