A one-phase transformer has 400 and 1000 turns in primary and secondar – McqOptions

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1.	A one-phase transformer has 400 and 1000 turns in primary and secondary, respectively. The cross-sectional area of the core is 60 cm2. The primary of the transformer is connected to a supply of one-phase, 50 Hz, 500 V. Determine the secondary voltage of the transformer.
A.	800 V
B.	1250 V
C.	125 V
D.	8000 V
Answer» C. 125 V

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