A transformer with 100 primary turns and 50 secondary turns has a turns ratio of:

A 1:2

B 2:1

C 1:1

D 50:1

✓ Correct Answer: Option B

Turns ratio = N₁/N₂ = 100/50 = 2:1. This is a step-down transformer (V₂ = V₁/2).

💡 Why is B) the correct answer?

The correct answer to the question "A transformer with 100 primary turns and 50 secondary turns has a turns ratio of:" is Option B: 2:1.

The other options — A) 1:2, C) 1:1, D) 50:1 — are incorrect for this FE Exam Prep question. As explained above: Turns ratio = N₁/N₂ = 100/50 = 2:1. This is a step-down transformer (V₂ = V₁/2).

📚 About This FE Exam Prep Practice Question

This 1-level FE Exam Prep question from the Circuits topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free FE Exam Prep practice test or use flashcards for spaced repetition review.

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A transformer with 100 primary turns and 50 secondary turns has a turns ratio of:

✓ Correct Answer: Option B

📚 About This FE Exam Prep Practice Question

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