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240 V 240 V 25 ΚΩ 75 ΚΩ 30 ΚΩ w • 120 ΚΩ 25 ΚΩ Figure 1 30 ΚΩ ww Vo 75 ΚΩ >7.5 × 104i 120 ΚΩ Vo Figure 2

240 V 240 V 25 ΚΩ 75 ΚΩ 30 ΚΩ w • 120 ΚΩ 25 ΚΩ Figure 1 30 ΚΩ ww Vo 75 ΚΩ >7.5 × 104i 120 ΚΩ Vo Figure 2

EBK ELECTRICAL WIRING RESIDENTIAL
EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter1: General Information For Electrical Installations
Section: Chapter Questions
Problem 14R
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This question centers around two ways to model a load attached to a source.  In both of the figures below, the source is the circuit comprising the 240V voltage source and the 25K and 75K resistors.

Figure 1

 

Figure 2

  1. In Figure 1, suppose we connect (short) a to a′ and b to b′.  Calculate v0.
  2. As an alternative, calculate v0 if the load is connected to the source as in Figure 2.
  3. Comment on the differences between your answers to parts A and B.
240 V 240 V 25 ΚΩ 75 ΚΩ 30 ΚΩ w • 120 ΚΩ 25 ΚΩ Figure 1 30 ΚΩ ww Vo 75 ΚΩ >7.5 × 104i 120 ΚΩ Vo Figure 2
Transcribed Image Text:240 V 240 V 25 ΚΩ 75 ΚΩ 30 ΚΩ w • 120 ΚΩ 25 ΚΩ Figure 1 30 ΚΩ ww Vo 75 ΚΩ >7.5 × 104i 120 ΚΩ Vo Figure 2
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