The GATE Grind

GATE 2014 EC (EC2) – Question 16

Networks, Signals and Systems · Circuit Analysis · 1 mark · Multiple choice

Norton’s theorem replaces a complex network connected to a load by an equivalent impedance ______.

  1. in series with a current source
  2. in parallel with a voltage source
  3. in series with a voltage source
  4. in parallel with a current source

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Show answer and explanation

Correct answer: (D) in parallel with a current source

Explanation

A linear two-terminal network can be represented by its short-circuit current source in parallel with its equivalent impedance. The impedance equals the source-suppressed driving-point impedance. Therefore the Norton form is **impedance in parallel with a current source,D**, while a voltage source in series is the Thevenin form.