A transformer has 500 primary turns and 5000 secondary turns. Its primary is connected to 20 V, 50 Hz AC. Find the output voltage and frequency.
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A transformer has 500 primary turns and 5000 secondary turns. Its primary is connected to 20 V, 50 Hz AC. Find the output voltage and frequency.

G1 Physics · Accepted Answer

Step 1: For ideal transformer Vₛ/Vₚ=Nₛ/Nₚ and the frequency is unchanged by transformer action. Step 2: With Nₚ=500,Nₛ=5000,Vₚ=20V, Vₛ=20×(5000/500)=200V. Step 3: Output frequency remains 50Hz. Answer D (200V,50Hz). Final answer: (D) 200 V, 50 Hz.