A voltage step-up transformer with a 1 : 5 turns ratio has 220 V acros – McqOptions

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1.	A voltage step-up transformer with a 1 : 5 turns ratio has 220 V across 2200 ohms in the secondary. Calculate the value of primary current.
A.	0.1 A
B.	0.5 A
C.	1.0 A
D.	220 mA
Answer» C. 1.0 A

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