Removing a node in Y-Δ transform

  • #1

Main Question or Discussion Point

After we proved Y-Δ transform using superposition theorem, The professor asked us what would happen if you have a Y circuit but a resistor is connected to the middle node. Can you do the transformation?

She answered and said yes, and that resistor will be connected to nothing. How can that be true? Or how do we prove that this is true if it is?
 

Answers and Replies

  • #2
I am rather confused about your question.

Are you asking what will happen if you had a resistor at the center of the Y configuration making it so that one end is not connected to anything?
It has been a while since I have done this, so I might be wrong but I think there would be 0 volts. Because would that not create an open?
 

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