In a series RC circuit, when the frequency and the resistance are halved, the impedance

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In a series RC circuit, when the frequency and the resistance are halved, the impedance Answer: cannot be determined without values

Question context

This question is part of ⚡ Electrical Engineering 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.