The primary circuit of a transformer consists of an A.C. power supply (Vrms 48.5 V) and a 7.96 mH coil with no resistance. If the rms current in the circuit is 1.54 A, find the frequency of the power supply, in Hz.

The primary circuit of a transformer consists of an A.C. power supply (Vrms 48.5 V) and a 7.96 mH coil with no resistance. If the rms current in the circuit is 1.54 A, find the frequency of the power supply, in Hz.

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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The primary circuit of a transformer consists of an A.C. power supply (Vrms =
48.5 V) and a 7.96 mH coil with no resistance. If the rms current in the circuit is
1.54 A, find the frequency of the power supply, in Hz.

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