The primary winding of a transformer has a 120 V AC supply. What is the value of secondary voltage if the turn ratio is 20.(Hints: turn ratio =N1/N0)
Correct answer: A. 2400V
- A. 2400V
- B. 1200V
- C. 24000V
- D. 200 V
Explanation
The primary winding of the transformer has a voltage of 120 V and a turn ratio of 20. The formula to find the secondary voltage (V2) is V2 = V1 × (N2/N1), where N2/N1 is the turn ratio. Here, the turn ratio is 20, which indicates that for every 1 turn in the primary winding, there are 20 turns in the secondary winding. Thus, V2 = 120 V × 20 = 2400 V, making Option A the correct answer. The other options either miscalculate the voltage based on incorrect turn ratios or misunderstand the relationship between the primary and secondary voltages.
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