Which of the following oscillators is suitable for frequencies in the range of mega hertz?

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Which of the following oscillators is suitable for frequencies in the range of mega hertz? Answer: Hartley

Only LC oscillators are suitable for MHz range.

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.