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Norton's equivalent current source is connected in :

  • A.Series with the load
  • B.Parallel with the load
  • C.Series with the source
  • D.Parallel with the source

Answer: B

The Norton current source is connected in parallel with the load.

Norton's theorem replaces a linear network, as seen from two terminals, by a current source \(I_{N}\) (the short-circuit current at those terminals) in parallel with a resistance \(R_{N}\) (the resistance seen with sources set to zero). The load is then connected across those same two terminals, so it sits in parallel with both the source and \(R_{N}\), and the source current divides between them.

It is the Thevenin voltage source that appears in series with the load. 'Series with the source' and 'parallel with the source' describe the Norton resistance's relation to the source, not the source's connection to the load.

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