A doorbel uses a step-down transformer to cnvert standard US household voltageof 120V rms to an rms voltage of 20 V. The primary coil has 180 turns and has a rms current of 25mA. How many turns are in the secondary coil and what is its rms current?

A doorbel uses a step-down transformer to cnvert standard US household voltageof 120V rms to an rms voltage of 20 V. The primary coil has 180 turns and has a rms current of 25mA. How many turns are in the secondary coil and what is its rms current?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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