Figure 31-36 shows an "autotransformer." It consists of a
Chapter 31, Problem 64(choose chapter or problem)
Figure 31-36 shows an "autotransformer." It consists of a single coil (with an iron core). Three taps Tj are provided. Between taps Tj and T2 there are 200 turns, and between taps T2 and T3 there are 800 turns. Any two taps can be chosen as the primary terminals, and any two taps can be chosen as the secondary terminals. For choices producing a step-up transformer, what are the (a) smallest, (b) second smallest, and (c) largest values of the ratio Vs/Vp? For a step-down transformer, what are the (d) smallest, (e) second smallest, and (f) largest values of 1/,lVp?
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