The ratio of the number of turns in the primary to the number of turns in the secondary of a step-down transformer is 30:1.Assume the transformer is 100% efficient. If the input voltage across the primary coil is 720 V rms and the current in the output circuit is 30.0 A (rms), how much power P-average is delivered to the secondary?

The ratio of the number of turns in the primary to the number of turns in the secondary of a step-down transformer is 30:1.Assume the transformer is 100% efficient. If the input voltage across the primary coil is 720 V rms and the current in the output circuit is 30.0 A (rms), how much power P-average is delivered to the secondary?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 46P: An ac source of emf delivers 5.0 mW of power at an rms current of 2.0 mA when it is connected to the...

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