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120 VRMS my What is the secondary voltage if the turns ratio is 1:3? Select one: OA. 360 VRMS OB. 40 VRMS OC. 80 VRMS OD. 240 VRMS

120 VRMS my What is the secondary voltage if the turns ratio is 1:3? Select one: OA. 360 VRMS OB. 40 VRMS OC. 80 VRMS OD. 240 VRMS

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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### Transformer Voltage Calculation **Diagram Explanation:** The image illustrates a transformer with two coils. The primary coil has an input voltage of 120 VRMS, and the turn ratio of the primary to secondary coil is 1:3. This means for every 1 turn in the primary coil, there are 3 turns in the secondary coil. **Question:** What is the secondary voltage if the turns ratio is 1:3? **Select one:** - A. 360 VRMS - B. 40 VRMS - C. 80 VRMS - D. 240 VRMS **Explanation:** The transformer equation relating the primary voltage (Vp), secondary voltage (Vs), and the turns ratio (Np:Ns) is: \[ Vs = Vp \times \left(\frac{Ns}{Np}\right) \] Given: - \( Vp = 120 \, \text{VRMS} \) - Turns ratio = 1:3 Calculating \( Vs \): \[ Vs = 120 \times \left(\frac{3}{1}\right) = 360 \, \text{VRMS} \] Therefore, the correct answer is **A. 360 VRMS**.
Transcribed Image Text:### Transformer Voltage Calculation **Diagram Explanation:** The image illustrates a transformer with two coils. The primary coil has an input voltage of 120 VRMS, and the turn ratio of the primary to secondary coil is 1:3. This means for every 1 turn in the primary coil, there are 3 turns in the secondary coil. **Question:** What is the secondary voltage if the turns ratio is 1:3? **Select one:** - A. 360 VRMS - B. 40 VRMS - C. 80 VRMS - D. 240 VRMS **Explanation:** The transformer equation relating the primary voltage (Vp), secondary voltage (Vs), and the turns ratio (Np:Ns) is: \[ Vs = Vp \times \left(\frac{Ns}{Np}\right) \] Given: - \( Vp = 120 \, \text{VRMS} \) - Turns ratio = 1:3 Calculating \( Vs \): \[ Vs = 120 \times \left(\frac{3}{1}\right) = 360 \, \text{VRMS} \] Therefore, the correct answer is **A. 360 VRMS**.
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