An ideal transformer has 500 turns on its primary and 2500 turns on its secondary. If the primary is connected to 230 V AC, what is the secondary voltage?
Correct answer D. 1150 V
Explanation
Vₛ/Vₚ = Nₛ/Nₚ, so Vₛ = 230 × 2500/500 = 230 × 5 = 1150 V. Inverting the turns ratio gives 46 V.
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