Which of the following pairs are correctly matched? 1. Brune's realisation : realisation with ideal transformer. 2. Cauer realisation : ladder realisation. 3. Bott Duffin realisation : with non ideal transformer. Select the answer using the following codes:

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Which of the following pairs are correctly matched? 1. Brune's realisation : realisation with ideal transformer. 2. Cauer realisation : ladder realisation. 3. Bott Duffin realisation : with non ideal transformer. Select the answer using the following codes: Answer: 1 and 2

Bott Duffins realisation does not use transformer.

Question context

This question is part of 📡 Electronics and Communication Engineering (ECE) within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.