(Solution) - The secondary coil of an ideal transformer has 450 turns -(2025 Original AI-Free Solution)

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The secondary coil of an ideal transformer has 450 turns, and the primary coil has 75 turns.
(a) Is this transformer a (1) step-up or (2) step-down transformer? Explain your choice.
(b) What is the ratio of the current in the primary coil to the current in the secondary coil?
(c) What is the ratio of the voltage across the primary coil to the voltage in the secondary coil?