A one-phase, 50 Hz core type transformer has core of cross-section 400 – McqOptions

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1.	A one-phase, 50 Hz core type transformer has core of cross-section 400 cm2. The permissible maximum B = 1 T, Find the number of turns on high and low voltage sides for a 3000 V/220 V ratio.
A.	Nlv = 338 turns, Nhv = 25 turns
B.	Nlv = 25 turns, Nhv = 338 turns
C.	Nlv = 48 turns, Nhv = 654 turns
D.	Nlv = 35 turns, Nhv = 477 turns
Answer» C. Nlv = 48 turns, Nhv = 654 turns

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