Norton's Equivalent - What do you do in this situation?

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SUMMARY

The discussion focuses on solving a circuit to create a Norton's equivalent circuit, specifically addressing the short-circuit current (Isc) using the current divider rule. Participants emphasize the importance of redrawing circuit schematics to gain clarity and insight into the problem. The current divider rule is crucial for determining the current through specific resistors, such as R2, in the circuit. Engaging in alternative representations of the circuit can lead to breakthroughs in understanding and problem-solving.

PREREQUISITES
  • Norton's Theorem
  • Current Divider Rule
  • Circuit Schematic Redrawing Techniques
  • Basic Circuit Analysis Skills
NEXT STEPS
  • Study the application of Norton's Theorem in various circuit configurations.
  • Practice using the current divider rule with different resistor arrangements.
  • Explore techniques for effectively redrawing circuit schematics.
  • Learn about Thevenin's equivalent circuits for comparative analysis.
USEFUL FOR

Electrical engineering students, circuit designers, and anyone involved in circuit analysis and design will benefit from this discussion.

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Hi,

So I have managed to get part of the way through solving a circuit that is being made into a Norton's equivalent circuit. But now I'm stuck on the Isc part. I know I have to use the current divider rule, but I'm not sure how to use it in this situation.

Here's a diagram:
JDKxBd6b9ppLRCqsJxT8ytJtKpeolXyRNvsjW_Z749xOBjZcTQS5F6bqQn8W1-6yHLckiMwGWoTK6pY-iws=w780-h585-no.png
 
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What is your equation for current through R2 in the circuit you have drawn?

⏩ Hint: it is always a good idea to redraw schematics while you mull over what approach to take; perhaps redraw multiple ways. Redrawing a circuit in a simpler/neater/alternative way engages the brain in considering different ways of viewing the connections, and often brings sudden insight.
 

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