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Transformers

Transformers. Physics 1161: Pre Lecture 16. Textbook Section 23-7. N P. N S. (secondary). (primary). Transformers. Key to efficient power distribution. Increasing current in primary creates an increase in flux through primary and secondary. iron. R. ~. V p. e. V s. Same DF/D t.

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Transformers

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  1. Transformers Physics 1161: PreLecture 16 • Textbook Section 23-7

  2. NP NS (secondary) (primary) Transformers Key to efficient power distribution Increasing current in primary creates an increase in flux through primary and secondary. iron R ~ Vp e Vs Same DF/Dt Energy conservation! IpVp = IsVs

  3. Transformers • Key to Modern electrical system • Starting with 120 volts AC • Produce arbitrarily small voltages. • Produce arbitrarily large voltages. • Nearly 100% efficient !!!Volt!!

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