Problem 4. When you plug in a device like a computer, often there is a transformer box on the cable to lower the rms voltage to about 12 volts. A) Explain how such a transformer would work, at the detailed level of charges/currents/fields. (Probably will require ~3 sentences.) Give the relevant parameters to make sure it would end up at 12 volts if using an ordinary outlet.
Problem 4. When you plug in a device like a computer, often there is a transformer box on the cable to lower the rms voltage to about 12 volts. A) Explain how such a transformer would work, at the detailed level of charges/currents/fields. (Probably will require ~3 sentences.) Give the relevant parameters to make sure it would end up at 12 volts if using an ordinary outlet.
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.58P: A single-phase two-winding transformer rated 90MVA,80/120kV is to be connected as an autotransformer...
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