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An AC source (Vrms = 88.3 V, frequency f = 46.9 Hz) is connected to the primary coil of a transformer (length = 22.8 cm, Np = 711 circular turns, each turn of radius r = 7.33 cm). Assume the primary circuit has negligible resistance. The secondary coil has 5,349 turns, and the efficiency of the transformer is 26.4%. Find the rms current, in A, that flows in the secondary coil.

An AC source (Vrms = 88.3 V, frequency f = 46.9 Hz) is connected to the primary coil of a transformer (length = 22.8 cm, Np = 711 circular turns, each turn of radius r = 7.33 cm). Assume the primary circuit has negligible resistance. The secondary coil has 5,349 turns, and the efficiency of the transformer is 26.4%. Find the rms current, in A, that flows in the secondary coil.

College Physics
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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**Problem Statement: Transformer Efficiency and Current Calculation** An AC source (V<sub>rms</sub> = 88.3 V, frequency f = 46.9 Hz) is connected to the primary coil of a transformer. The primary coil has a length (l) of 22.8 cm and consists of N<sub>p</sub> = 711 circular turns, with each turn having a radius (r) of 7.33 cm. Assume that the primary circuit has negligible resistance. The secondary coil consists of 5,349 turns, and the transformer operates with an efficiency of 26.4%. **Objective:** Find the rms current, in Amperes (A), that flows in the secondary coil.
Transcribed Image Text:**Problem Statement: Transformer Efficiency and Current Calculation** An AC source (V<sub>rms</sub> = 88.3 V, frequency f = 46.9 Hz) is connected to the primary coil of a transformer. The primary coil has a length (l) of 22.8 cm and consists of N<sub>p</sub> = 711 circular turns, with each turn having a radius (r) of 7.33 cm. Assume that the primary circuit has negligible resistance. The secondary coil consists of 5,349 turns, and the transformer operates with an efficiency of 26.4%. **Objective:** Find the rms current, in Amperes (A), that flows in the secondary coil.
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