Question
Which of the following is combined with an inductor to make a resonant circuit?
Answer Options
- A) Resistor
- B) Zener diode
- C) Potentiometer
- D) Capacitor
Correct Answer: D
Explanation
A resonant circuit (also known as a tank circuit or LC circuit) is formed by combining an Inductor (\text{L}, T6A06) with a Capacitor (\text{C}, T6A04) in series or parallel. This is a fundamental concept in radio electronics.
This combination has the unique property of storing energy and sharply reacting to only one specific frequency (the resonant frequency). This frequency-selective behavior allows the radio to ‘tune’ to a desired station (T6D11) while rejecting others, making it the core component of filters and tuning stages.
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