1. A transformer has a turns ratio of 2:1. What isthe peak secondary voltage if 115 V,msapplied to the primary winding?2. Suppose line voltage may be as low as 105Vrms or as high as 125 Vmsin a half-waverectifier. With a 5:1 step-down transformer,what is the minimum peak load voltage?3. What is the peak load voltage in a full-waverectifier if the secondary voltage is 20 Vms?4. We want a peak load voltage of 40 V out of abridge rectifier. What is the approximate rmsvalue of the secondary voltage?5. What is the peak load voltage out of a bridgerectifier for a secondary voltage of 12.6 Vrms?(Use second approximation.)6. If line frequency is 60 Hz, what is the outputfrequency of a half-wave rectifier?7. If line frequency is 60 Hz, what is the outputfrequency of a bridge rectifier?8. If the load current is 5 mA and the filteriscapacitance is 1000 F, what is the peak-to-peakripple out of a bridge rectifier?9. The diodes in a bridge rectifier each have amaximum dc current rating of 2 A. What is themaximum value of the dc load current?10. What is the PIV across each diode of a bridgerectifier with a secondary voltage of 20 Vrms?

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1. A transformer has a turns ratio of 2:1. What is the peak secondary voltage if 115 V,rms is applied to the primary winding? 2. Suppose line voltage may be as low as 105 Vrms or as high as 125 Vrmgin a half-wave rectifier. With a 5:1 step-down transformer, what is the minimum peak load voltage? 3. What is the peak load voltage in a full-wave rectifier if the secondary voltage is 20 Vms?

1. A transformer has a turns ratio of 2:1. What is the peak secondary voltage if 115 V,rms is applied to the primary winding? 2. Suppose line voltage may be as low as 105 Vrms or as high as 125 Vrmgin a half-wave rectifier. With a 5:1 step-down transformer, what is the minimum peak load voltage? 3. What is the peak load voltage in a full-wave rectifier if the secondary voltage is 20 Vms?

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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