A transformer whih is used to operate a radio of 12 Volts and 36 Watts from a 240 main supply from PNG Power at 100% efficiency. 1. Is this transformer a step up or step down tranformer? 2. What is the current through the tranformer? 3. Calculate the number of turns in secondary coil if there are 400 turns in the primary in this transformer?

A transformer whih is used to operate a radio of 12 Volts and 36 Watts from a 240 main supply from PNG Power at 100% efficiency. 1. Is this transformer a step up or step down tranformer? 2. What is the current through the tranformer? 3. Calculate the number of turns in secondary coil if there are 400 turns in the primary in this transformer?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter25: Electromagnetic Induction

Section: Chapter Questions

Problem 74A

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