A transformer has 300 turns in its primary coil and 75 turns in its secondary coil. When the current in the secondary coil is 20 A, the current in the primary coil is

A transformer has 300 turns in its primary coil and 75 turns in its se

1.	A transformer has 300 turns in its primary coil and 75 turns in its secondary coil. When the current in the secondary coil is 20 A, the current in the primary coil is
A.	5 A
B.	25 A
C.	80 A
D.	6.4 kA
Answer» B. 25 A

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A transformer has 300 turns in its primary coil and 75 turns in its secondary coil. When the current in the secondary coil is 20 A, the current in the primary coil is

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