Reception of particular radio station selected by tuning the tuning knob of radio tuning the tuning knob changes the?

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Reception of particular radio station selected by tuning the tuning knob of radio tuning the tuning knob changes the? Answer: Capacitance

In a radio receiver, the tuning knob adjusts the variable capacitor in the LC tuning circuit. Changing capacitance shifts the resonant frequency, allowing selection of the desired radio station.

Question context

This question is part of ⚡ Electrical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the Engineering College Admission Test (ECAT) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.